I'm a complete newbie in javascript.
I make a function, that adds a div with id="test_div". After call it creates div in body and give an id to the element. After that i try to write style "element.style.position" and it doesn't work. But i can write a style in this element through "element.style.cssText". I tried to solve this by adding a variable with "window.getElementById()" after create the element, but it also doesn't work.
I don't understand what i am doing wrong. Hope for your help. Thank you.
Sorry for bad English.
html file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript" src="test.js">
</script>
</head>
<body>
<button onclick="add('Clicked ', 0)">Click</button>
</body>
</html>
js file:
var element_id = "test_div";
var default_timeout = 3;
var element_bg_color = "rgba(0, 0, 0, .5)";
var element_font_color = "#fff";
var element_pointer_events = "none";
var element_position = "fixed";
var element_top = "0";
var element_left = "0";
var element_padding = '.3em .6em';
var element_margin = "0";
var element_border_radius = "0 0 5px 0";
var add = function(string, timeout){
if(typeof(timeout) === 'undefined'){
timeout = default_timeout;
}
var element = document.createElement('div');
element.id = element_id;
element.style.position = "fixed";
element.style.cssText = "top: 0; left: 0; background-color: " + element_bg_color + "; margin: 0; padding: .3em .6em; border-radius: 0 0 5px 0; color: " + element_font_color + "; pointer-events: " + element_pointer_events + ";";
element.innerHTML = string;
if(document.getElementById(element_id) === null){
document.body.appendChild(element);
}else{
document.body.removeChild(element);
document.body.appendChild(element);
}
if(timeout > 0){
timeout *= 1000;
setTimeout(function() {
document.body.removeChild(element);
}, timeout);
}
};
By setting the cssText you are overwriting all the other styles
As the below example shows even though I set the fontSize to 90px, the span actually gets the font-size and font-weight set in the cssText property.
var span = document.querySelector("span");
span.style.fontSize = "90px";
span.style.cssText = "font-size:20px; font-weight:bold;";
<span>Some Text</span>
So either set each style property separately or set cssText first
Those two lines:
element.style.position = "fixed";
element.style.cssText = "top: 0; left: 0; background-color: " + element_bg_color + "; margin: 0; padding: .3em .6em; border-radius: 0 0 5px 0; color: " + element_font_color + "; pointer-events: " + element_pointer_events + ";";
Switch them.
Explanation:
element.style.position = "fixed";
This line adds position: fixed; to the style attribute of element. So your element looks like
<div id="test_div" style="position: fixed;"></div>
And then:
element.style.cssText = "top: 0; left: 0; background-color: " + element_bg_color + "; margin: 0; padding: .3em .6em; border-radius: 0 0 5px 0; color: " + element_font_color + "; pointer-events: " + element_pointer_events + ";";
This lines replaces the entire style attribute with whatever comes after the = sign.
So your element looks like this:
<div id="test_div" style="/* lots of things here, but NOT "position: fixed;" anymore */"></div>
And here's a fiddle because why not?: http://jsfiddle.net/kxqgr913/
Here is a short snippet jsfiddle.net/nffubk14/ to explain how to add a div, append a text node to it and give it a style, hope this helps you understand what's going on. For more reading on this subject learn about DOM (Document Object Model)
Related
I have created a grid with div, class and id. I want to randomly create a yellow square and I want to assign an id= 'yellowSquare' how do I do it?
var grid = document.getElementById("grid-box");
for (var i = 1; i <= 100; i++) {
var square = document.createElement("div");
square.className = 'square';
square.id = 'square' + i;
grid.appendChild(square);
}
var playerOne = [];
while (playerOne.length < 1) {
var randomIndex = parseInt(99 * Math.random());
if (playerOne.indexOf(randomIndex) === -1) {
playerOne.push(randomIndex);
var drawPone = document.getElementById('square' + randomIndex);
drawPone.style.backgroundColor = 'yellow';
}
}
#grid-box {
width: 400px;
height: 400px;
margin: 0 auto;
font-size: 0;
position: relative;
}
#grid-box>div.square {
font-size: 1rem;
vertical-align: top;
display: inline-block;
width: 10%;
height: 10%;
box-sizing: border-box;
border: 1px solid #000;
}
<div id="grid-box"></div>
I am new to Javascript / jQuery. Any help will be much appreciated ! Thank you
There are two options to your question. You can either change the id of the yellow square which is already created from your code, or create a child element within the square, which looks the same as your current solution. Creating a new child element will let you keep the numeric id pattern for the grid:
Changing the ID :
var element = document.getElementById('square' + randomIndex)
element.id = "yellowSquare";
Adding new element inside:
var node = document.createElement("DIV");
node.id = "yellowSquare";
node.style = "background-color:yellow;height:100%;width:100%;";
var element = document.getElementById('square' + randomIndex)
element.appendChild(node);
I set the styling of the div child to 100% width and height, as it has no content, and would get 0 values if nothing was specified. This should make it fill the parent container.
There are also multiple other ways to achieve the same result, for instance with JQuery.
Use the HTMLElement method setAttribute (source);
...
var drawPone = document.getElementById('square' + randomIndex);
drawPone.style.backgroundColor = 'yellow';
drawPone.setAttribute('id', 'yellowSquare');
...
As you requested in your comment how to move the square i made an example how you can move it left and right using jQuery next() and prev() functions. However because your html elements are 1 dimensional it's not easy to move them up/down and check the sides for collisions. Better would be to create your html table like with rows and columns and this way create a 2 dimensional play field.
Also added a yellowSquery class for selection with $drawPone.addClass('yellowSquare');.
Also since you like to use jQuery I changed your existing code to jQuery function. Might help you learn the framework.
var $grid = $("#grid-box");
for (var i = 1; i <= 100; i++) {
var $square = $("<div>");
$square.addClass('square');
$square.attr('id','square' + i);
$grid.append($square);
}
var playerOne = [];
while (playerOne.length < 1) {
var randomIndex = parseInt(99 * Math.random());
if (playerOne.indexOf(randomIndex) === -1) {
playerOne.push(randomIndex);
var $drawPone = $('#square' + randomIndex);
$drawPone.addClass('yellowSquare');
}
}
$('#button_right').on('click', function(){
$yellowSquare = $('.yellowSquare')
$yellowSquareNext = $yellowSquare.next();
$yellowSquare.removeClass('yellowSquare');
$yellowSquareNext.addClass('yellowSquare');
});
$('#button_left').on('click', function(){
$yellowSquare = $('.yellowSquare')
$yellowSquarePrev = $yellowSquare.prev();
$yellowSquare.removeClass('yellowSquare');
$yellowSquarePrev.addClass('yellowSquare');
});
#grid-box {
width: 400px;
height: 400px;
margin: 0 auto;
font-size: 0;
position: relative;
}
#grid-box>div.square {
font-size: 1rem;
vertical-align: top;
display: inline-block;
width: 10%;
height: 10%;
box-sizing: border-box;
border: 1px solid #000;
}
.yellowSquare {
background-color: yellow;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="grid-box"></div>
<button id="button_left">left</button>
<button id="button_right">right</button><br>
I've been fighting with Chart JS's documentation trying to figure out how to modify the content of a line chart's tool tip when you hover over a specific point.
Basically, I want to display the values on all the same vertical axis whenever a single point is hovered over. I've tried something like this:
tooltips: {
callbacks: {
label: function(tooltipItem, data){
console.log(data);
var html = "";
for(var dataset in data.datasets){
html += "<label>" + data.datasets[dataset].label + ": " + data.datasets[dataset].data[tooltipItem.index] + "%</label><br/>";
}
return html;
}
},
},
This works to the degree of looping over each data set and appending <label>Example: 0%<br/></label> for each dataset, but when I return that HTML, the tooltip literally displays the string:
<label>Example1: 1%</label><br/><label>Example2: 5%</label><br/> ...
Instead of rendering the correct HTML:
Example1: 1%
Example2: 5%
...
Now, I know that Chart JS version 1.0 has the tooltipTemplate option, but I can't seem to figure out if there is any way to return HTML in the tooltips.callbacks.label option. There's documentation for how to do custom tooltips, which I will end up using if I can't figure this out, but any help would be appreciated.
As of v2.4, the callbacks unfortunately don't allow for HTML currently. You'll need to write a custom tooltip function.
Examples can be found in the samples folder for chart-js (although some are better than others I found).
https://github.com/chartjs/Chart.js/tree/v2.4.0/samples/tooltips
Try running the samples to get a feel for how the options and modifications affect the tooltip function.
For example in the line chart example of a custom function:
Chart.defaults.global.pointHitDetectionRadius = 1;
var customTooltips = function(tooltip) {
// Tooltip Element
var tooltipEl = document.getElementById('chartjs-tooltip');
if (!tooltipEl) {
tooltipEl = document.createElement('div');
tooltipEl.id = 'chartjs-tooltip';
tooltipEl.innerHTML = "<table></table>"
document.body.appendChild(tooltipEl);
}
// Hide if no tooltip
if (tooltip.opacity === 0) {
tooltipEl.style.opacity = 0;
return;
}
// Set caret Position
tooltipEl.classList.remove('above', 'below', 'no-transform');
if (tooltip.yAlign) {
tooltipEl.classList.add(tooltip.yAlign);
} else {
tooltipEl.classList.add('no-transform');
}
function getBody(bodyItem) {
return bodyItem.lines;
}
// Set Text
if (tooltip.body) {
var titleLines = tooltip.title || [];
var bodyLines = tooltip.body.map(getBody);
//PUT CUSTOM HTML TOOLTIP CONTENT HERE (innerHTML)
var innerHtml = '<thead>';
titleLines.forEach(function(title) {
innerHtml += '<tr><th>' + title + '</th></tr>';
});
innerHtml += '</thead><tbody>';
bodyLines.forEach(function(body, i) {
var colors = tooltip.labelColors[i];
var style = 'background:' + colors.backgroundColor;
style += '; border-color:' + colors.borderColor;
style += '; border-width: 2px';
var span = '<span class="chartjs-tooltip-key" style="' + style + '"></span>';
innerHtml += '<tr><td>' + span + body + '</td></tr>';
});
innerHtml += '</tbody>';
var tableRoot = tooltipEl.querySelector('table');
tableRoot.innerHTML = innerHtml;
}
var position = this._chart.canvas.getBoundingClientRect();
// Display, position, and set styles for font
tooltipEl.style.opacity = 1;
tooltipEl.style.left = position.left + tooltip.caretX + 'px';
tooltipEl.style.top = position.top + tooltip.caretY + 'px';
tooltipEl.style.fontFamily = tooltip._fontFamily;
tooltipEl.style.fontSize = tooltip.fontSize;
tooltipEl.style.fontStyle = tooltip._fontStyle;
tooltipEl.style.padding = tooltip.yPadding + 'px ' + tooltip.xPadding + 'px';
};
Then set this as the custom tooltip function in the options for the chart:
window.myLine = new Chart(chartEl, {
type: 'line',
data: lineChartData,
options: {
title:{
display:true,
text:'Chart.js Line Chart - Custom Tooltips'
},
tooltips: {
enabled: false,
mode: 'index',
position: 'nearest',
//Set the name of the custom function here
custom: customTooltips
}
}
});
EDIT: Apologies, I only read the title of your question, not the full question. What you ask can be done more simply and without HTML in the tooltips (unless it's required for another reason) by changing the interaction mode to index in the options. There's a sample available to show how this works.
Good, although with the previous solution to solve the problem I think that the solution offered by chart.js is a bit ... Confusing. The same can be applied in a more understandable way. Based on the chart.js guide I have created an HTML that will be used in the tooltip. What I got was the following:
First I give you the code used and then I explain it:
tooltip: {
// Disable the on-canvas tooltip
enabled: false,
external: (context) => {
// Tooltip Element
let tooltipEl = document.getElementById('chartjs-tooltip');
// Create element on first render
if (!tooltipEl) {
tooltipEl = document.createElement('div');
tooltipEl.id = 'chartjs-tooltip';
tooltipEl.innerHTML = '<table></table>';
document.body.appendChild(tooltipEl);
}
// Hide if no tooltip
const tooltipModel = context.tooltip;
if (tooltipModel.opacity === 0) {
tooltipEl.style.opacity = '0';
return;
}
// Set caret Position (above, below,no-transform ).As I need above I don't delete that class
tooltipEl.classList.remove('below', 'no-transform');
// Set HTML & Data
if (tooltipModel.body) {
const dataFromCurrentElement = tooltipModel.dataPoints[0];
const currentElement = dataFromCurrentElement.dataIndex;
const formattedValue = dataFromCurrentElement.formattedValue.trim();
const currentDataToShow = formattedValue.substr(1, formattedValue.length - 2).split(' ');
const innerHtml = `
<div style="border-collapse: separate; overflow: hidden; border-radius: 10px; box-shadow: 0 6px 12px rgba(0,0,0,.175);">
<div style="background-color: #ECEFF1; padding-top: 5px; padding-bottom: 6px; padding-left: 7px; color: #000; font-family: 'Poppins'; font-size: 14px; border-bottom: solid 1px #DDD">
Name
</div>
<div style="display: flex; padding: 1.2rem; background-color: white">
<div style="display: flex; margin-right: 1.2rem;align-items: center; ">
<div style="border-radius: 100%; background-color: #6785C1; height: 13px; width: 13px;"></div>
</div>
<div style="display: flex; flex-direction: column; font-family: 'Poppins'; font-size: 14px">
<div>Revenue: <span style="font-weight: 600">${currentDataToShow[0].substr(0, currentDataToShow[0].length - 1)}</span></div>
<div>Revenue per employee: <span style="font-weight: 600">${currentDataToShow[1].substr(0, currentDataToShow[1].length - 1)}</span></div>
<div>Net income per employee: <span style="font-weight: 600">${this.customReportUtilities.parseNumberFunction(Number(currentDataToShow[2]) * 100)}</span></div>
</div>
</div>
</div>
`;
tooltipEl.querySelector('table').innerHTML = innerHtml;
}
const position = context.chart.canvas.getBoundingClientRect();
// Display, position, and set styles for font
tooltipEl.style.opacity = '1';
tooltipEl.style.position = 'absolute';
tooltipEl.style.left = position.left + window.pageXOffset + tooltipModel.caretX + 'px';
tooltipEl.style.top = position.top + window.pageYOffset + tooltipModel.caretY + 'px';
tooltipEl.style.padding = tooltipModel.padding + 'px ' + tooltipModel.padding + 'px';
tooltipEl.style.pointerEvents = 'none';
}
}
This is the same code, it is not necessary to duplicate it, with the above it is worth
We hide the tooltip from chartjs using tooltip false, then in external we pass the function to use our HTML as tooltip
let tooltipEl = document.getElementById('chartjs-tooltip');
We collect the container with id chartjs-tooltip, if it does not exist (the mouse had not been placed on the graph) we create it (it is the following if).
let tooltipEl = document.getElementById('chartjs-tooltip');
if (!tooltipEl) {
tooltipEl = document.createElement('div');
tooltipEl.id = 'chartjs-tooltip';
tooltipEl.innerHTML = '<table></table>';
document.body.appendChild(tooltipEl);
}
We hide the tooltip when the user does not have the cursor over an element (this is because otherwise it would always be seen.
const tooltipModel = context.tooltip; if (tooltipModel.opacity === 0) { tooltipEl.style.opacity = '0'; return; }
We indicate the position of the tooltip, to choose between above, below or no-transform. I have removed all but above because it is the class I want to keep.
tooltipEl.classList.remove('below', 'no-transform');
We get the data for the current element and form the HTML with its styles ... Saving it in a variable as a string and we pass it our string with the HTML.
if (tooltipModel.body) {
const dataFromCurrentElement = tooltipModel.dataPoints[0];
const currentElement = dataFromCurrentElement.dataIndex;
const formattedValue = dataFromCurrentElement.formattedValue.trim();
const currentDataToShow = formattedValue.substr(1, formattedValue.length - 2).split(' ');
const innerHtml = `
<div style="border-collapse: separate; overflow: hidden; border-radius: 10px; box-shadow: 0 6px 12px rgba(0,0,0,.175);"> <div style="background-color: #ECEFF1; padding-top: 5px; padding-bottom: 6px; padding-left: 7px; color: #000; font-family: 'Poppins'; font-size: 14px; border-bottom: solid 1px #DDD">
Name
</div>
<div style="display: flex; padding: 1.2rem; background-color: white">
<div style="display: flex; margin-right: 1.2rem;align-items: center; ">
<div style="border-radius: 100%; background-color: #6785C1; height: 13px; width: 13px;"></div>
</div>
<div style="display: flex; flex-direction: column; font-family: 'Poppins'; font-size: 14px">
<div>Revenue: <span style="font-weight: 600">${currentDataToShow[0].substr(0, currentDataToShow[0].length - 1)}</span></div>
<div>Revenue per employee: <span style="font-weight: 600">${currentDataToShow[1].substr(0, currentDataToShow[1].length - 1)}</span></div>
<div>Net income per employee: <span style="font-weight: 600">${this.customReportUtilities.parseNumberFunction(Number(currentDataToShow[2]) * 100)}</span></div>
</div>
</div>
</div>
`;
tooltipEl.querySelector('table').innerHTML = innerHtml;
}
Finally we finish configuring the container
const position = context.chart.canvas.getBoundingClientRect();
// Display, position, and set styles for font
tooltipEl.style.opacity = '1';
tooltipEl.style.position = 'absolute';
tooltipEl.style.left = position.left + window.pageXOffset + tooltipModel.caretX + 'px';
tooltipEl.style.top = position.top + window.pageYOffset + tooltipModel.caretY + 'px';
tooltipEl.style.padding = tooltipModel.padding + 'px ' + tooltipModel.padding + 'px';
tooltipEl.style.pointerEvents = 'none';
I have had to use some additional styles as an overflow to make the border-radius show. Chart.js documentation on the subject: https://www.chartjs.org/docs/latest/samples/tooltip/html.html
I want to clone the images of the div leftSide into the div rightSide. On each click on the body the images on the left div should be cloned into the right div. But I can't get the result with the code I'm doing. Is there any mistake in my code? I want to use JavaScript.
Here's my code:
var theLeftSide = document.getElementById("leftSide");
var width = 500; var height = 500;
top_position = 0; var left_position = 0,
var numberOfFaces = 5;
var theRightSide = document.getElementById("rightSide");
var leftSideImages = theLeftSide.cloneNode(true);
document.getElementById("rightSide").appendChild(leftSideImages);
for (var i = 0; i < 5; i++) {
createElement(i);
numberOfFaces += 5;
function createElement() {
var image = document.createElement('img');
image.src = "smile.png";
image.style.position = 'absolute';
image.style.top = top_position + "px";
image.style.left = left_position + "px";
theLeftSide.appendChild(image);
top_position = Math.random() * 500 ;
left_position = Math.random() * 500 ;
Here is a simple example that clones an HTMLElement in vanilla javascript:
additional information can be found in MDN
function CloneCtrl() {
'use strict';
var self = this;
self.source = document.querySelector('.source');
self.target = document.querySelector('.target');
self.cloneSource = function(event) {
var clone = self.source.cloneNode(true);
self.target.appendChild(clone);
}
document
.getElementById('cloneBtn')
.addEventListener('click', self.cloneSource)
;
}
document.addEventListener('DOMContentLoaded', CloneCtrl);
.source {
background: lightseagreen;
width: 100px;
height: 100px;
line-height: 100px;
overflow: hidden;
margin: 5px;
display: inline-block;
text-align: center;
color: #fff;
}
.target {
border: 1px solid lightcoral;
min-height: 110px;
}
<div><button id="cloneBtn">Clone Source</button></div>
<div class="source">SOURCE</div>
<hr>
<div class="target"></div>
With jQuery, you can do it kike that:
$('#div2').html($('#div1').html());
which is found from this question: Copy the content of a div into another div.
You don't actually provide many details, thus the best I can post, hope it helps!!
you could simply try this if you have second div on page.
document.getElementById("SecondDv").innerHTML = document.getElementById("FirstDv").innerHTML;
This will copy whatever is there in FirstDiv to Second. lmk if it works.
function showHome() {
removeSlideShow();
var homeHeader = document.createElement("div");
homeHeader.setAttribute("id", "homeHeader");
document.getElementById("window").insertBefore(homeHeader, document.getElementById("content"));
var slideShowDiv = document.createElement("div");
var images = ["slideShow/slideShow-1.jpg", "slideShow/slideShow-2.jpg", "slideShow/slideShow-3.jpg", "slideShow/slideShow-4.jpg", "slideShow/slideShow-5.jpg", "slideShow/slideShow-6.jpg", "slideShow/slideShow-7.jpg"];
homeHeader.appendChild(slideShowDiv);
startSlideShow(slideShowDiv, images);
content.innerHTML = "";
}
function startSlideShow(element, images) {
var iterator = 0;
element.setAttribute("id", "slideShowDiv");
element.setAttribute("style", "background-image: url(" + images[0] + ")");
var startInterval = setInterval(function() {
iterator++;
if (iterator == images.length) iterator = 0;
element.setAttribute("style", "background-image: url(" + images[iterator] + ")");
element.style = "background-image: url(" + images[iterator] + ")";
transition(element);
}, 3000);
}
function removeSlideShow() {
if (document.getElementById("homeHeader")) {
document.getElementById("window").removeChild(document.getElementById("homeHeader"));
}
}
function transition(element) {
element.setAttribute("style", "opacity:0.01;");
var i = 0;
var set = setInterval(function() {
i += 0.01;
element.setAttribute("style", "opacity:" + i + ";");
}, 4);
setTimeout(function() {
clearInterval(set);
element.setAttribute("style", "opacity:1;");
}, 500);
}
div#homeHeader {
background-color: #FFF;
width: 900px;
height: 280px;
border: solid 2px #F00;
border-radius: 20px;
}
div#slideShowDiv {
background-image: url(slideShow/slideShow-1.jpg);
background-color: #FFF;
width: 898px;
height: 278px;
border: solid 1px #FFF;
border-radius: 20px;
background-size: 100% 100%;
}
What i want to do is change the background image every 3 seconds. The code work but it's not changing the image, stays at 'slideShow-1.jpg'. If i remove the transition(element); part, the image rotate just fine. What should i do to get it work? Im still beginner in Javascript, will learn jquery when i got better. Sorry for my grammar.
If i remove the transition(element); part, the image rotate just fine.
The transition part sets a new value for the style attribute.
Setting a new value for the attribute replaces the old value.
You are removing the style for the background image. (So the one from the stylesheet is applied again instead).
What should i do to get it work?
Don't use setAttribute(..., ...) to modify styles.
Use .style.cssPropertyName = ... instead.
I am trying to create this shape using dynamically created divs. I have this code already in place:
var bgImg = ['ScreenShot.png', 'stars.jpg', 'ScreenShot.png', 'stars_1230_600x450.jpg'];
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
document.body.appendChild(port);
port.style.backgroundImage = "url('" + bgImg[3] + "')";
I would like to create this image: https://flic.kr/p/mSJm6G
which will eventually hold images from the array. (one image per slot on the grid.)
I have tried below, which only does not work, it doesn't do what i want, which is to add that amount each time a new div is created. I want a new object to raise by 40px each time it is created.
$(port).css('top','+=40n');
I think that i will have to create three divs/scripts,, one for each row, so that i can get the divs to align properly. the master css will set the divs with a negative margin-top so they can cascade properly.
for reference, my css looks like this:
div {
height: 190px;
width:230px;
background: red;
position: relative;
background: #ef4c4d;
background-position: center;
float: left;
margin: 8px;
top: 30px;
left: 10px;
}
div:before {
content: '';
position: absolute;
bottom: 0; right: 0;
border-bottom: 60px solid #0d1036;
border-left: 60px solid transparent;
width: 0;
}
div:after {
content: '';
position: absolute;
top: 0; left: 0;
border-top: 60px solid #0d1036;
border-right:60px solid transparent;
width: 0;
}
I think that i need to pull the integer from an array, but really not sure.
Some things I notice in your code:
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
document.body.appendChild(port);
// <- end "}" of for loop is missing here
port.style.backgroundImage = "url('" + bgImg[3] + "')"; // <- will just be applied on the last created div
I guess you want something like this:
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
port.style.backgroundImage = "url('" + bgImg[3] + "')";
document.body.appendChild(port);
}
To update the "top" property, you can use this code with jQuery:
for (var i = 0, n = 12; i < n; i++) {
var port = $('<div></div>');
port.css("background-image", "url('" + bgImg[3] + "')");
port.css("top": 40 * i + "px"); // <- set "top" +40px for each div
$("body").append(port);
}