When a user mouses over a div it should change to the color red, when they mouse out it should change back to transparent. When they click on the div, it should change to color red.
For some reason, the mouse out event listener is conflicting with the click event listener. Can someone help? When I click on the div, it doesn't change to red.
div$.on('mouseover', function () {
$(this).css('background-color', 'red');
});
div$.on('mouseout', function () {
$(this).css('background-color', 'white');
});
div$.on('click', function () {
$(this).css('background-color', 'red');
});
Note, I have to apply a background image dynamically to each element, so using CSS classes to add the background image is out of the question (because I don't know it before hand).
You could set a boolean variable to confirm that the click has occurred and then only run the mouseout code if the variable is false like this:
var is_clicked = false;
div$.on('mouseover', function () {
$(this).css('background-color', 'red');
});
div$.on('mouseout', function () {
if(!is_clicked) {
$(this).css('background-color', 'white');
}
});
div$.on('click', function () {
$(this).css('background-color', 'red');
is_clicked = true;
});
Note: For multiple div elements user multiple is_clicked variables
You can always do a CSS implementation with :hover; just make sure to add a specifying class to each element you would like this effect on.
1. :hover and jQuery
var div$ = $('.redHover'); // name the class whatever you like
div$.on('click', function () {
$(this).css('background-color', 'red');
});
div {
display: inline-block;
}
.redHover {
height: 100px;
width: 100px;
border: 1px solid black;
}
.redHover:hover {
background: red;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='redHover'></div>
<div class='redHover'></div>
<div class='redHover'></div>
2. :hover and vanilla JS
var els = document.querySelectorAll('.redHover');
for (var i = 0; i < els.length; ++i) {
els[i].addEventListener('click', function() {
this.style.backgroundColor = 'red';
});
}
div {
display: inline-block;
}
.redHover {
height: 100px;
width: 100px;
border: 1px solid black;
}
.redHover:hover {
background: red;
}
<div class='redHover'></div>
<div class='redHover'></div>
<div class='redHover'></div>
Instead use mouseenter insead of mouseover see why.
The best thing you can go with would be the following notes:
To those elements with hover effect add a class like hoverable.
Hover effect is only applied to those elements having this class.
HTML:
<div class="hoverable"></div>
CSS:
.hoverable:hover{
background-color: red
}
JavaScript:
div$.on('click', function () {
$(this).css('background-color', 'red');
});
In this way, you can simply decide whether an element should be hover-able or not by adding or removing hoverable class. Also hover effect is applied in CSS level not JavaScript, which is more acceptable.
As far as I understand you really want to change picture in the div, not just background color which is relatively easy. Try this:
<div class="hoverable">
<img src="myImg.jpg" />
</div>
//css
.hoverable img{visibility:hidden;}
.hoverable:hover img{visibility:visible;}
.clicked img{visibility:visible!important;}
//JS
$('.hoverable').click(function(){
$(this).addClass('clicked');
});
Related
I want to add a class on hover but not remove it when mouse leaves. Instead it must be removed on the second mouse hover. So on mouse hover add class. Mouse leaves class remains. Mouse hovers again class is removed.
This code adds the class but if the mouse leaves the class is removed which is not what I'm trying to achieve.
jQuery('.menuButton').hover(function(){
jQuery('.mainMenuDrop').addClass('show')
}, function() {
jQuery('.mainMenuDrop').removeClass('show')
});
To achieve your requirement of add on first entry and remove on second entry, you can change your existing code:
jQuery('.menuButton').hover(function(){
jQuery('.mainMenuDrop').addClass('show')
}, function() {
jQuery('.mainMenuDrop').removeClass('show')
});
to use .toggleClass
jQuery('.menuButton').hover(function(){
jQuery('.mainMenuDrop').toggleClass('show')
}, function() {
// nothing here
});
As jquery .hover binding is just syntax for mouseenter and mouseleave and you don't need mouseleave, this can be simplified to:
jQuery('.menuButton').on("mouseenter", function() {
jQuery('.mainMenuDrop').toggleClass('show');
});
div { border: 1px solid black; padding: 20px; width: 100px; }
.show { background-color: pink; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class='menuButton'>point at me</div>
<div class='mainMenuDrop'>changes here</div>
I'm trying to add a class to a element when mouse hovers over it and then remove it when mouse leaves. It works currently only with giving it direct style in js.
As shown below I tried various ways to do this, all had some problems. Only the direct style change worked. On mouse leave I do the same but remove the class. The mouse over and leave checks canvas element.
poly.on('mouseover', function () {
this.opacity(1);
layer.draw();
$('.' + this.name()).css({ backgroundColor: "#ffcc00" });
//$('.' + this.name()).classList.add("textboxhighlight");
//$('.' + this.name()).className += " textboxhighlight";
//$('.' + this.name()).addClass("textboxhighlight");
//$('.' + this.name()).setAttribute("class", "textboxhighlight");
});
I'm not sure what the problem is as I tired various methods in adding class all of them with different problems. Using just this.addClass wont work as it needs to start with $('.' + this.name()) or nothing works in the code not even forcing the style part. $('.' + this.name()) refers to a class name in element with the same name as poly.
In css:
.textboxhighlight {
background-color: #ffcc00;
}
Thanks for any help.
May be you have to use in your css class background-color: #red !important. See working example here
It would be easier if you provided more code to work with. The example below will illustrate on how to add a class on hover and remove a class on leaving the element.
$('#element').hover(function(e) {
$(this).addClass('selected');
}, function(a) {
$(this).removeClass('selected');
});
.selected {
background-color: green;
}
<div id='element'>
element
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
Hard to say what is wrong with your code when you don't show the mouseenter/leave parts of your code. But here is an example with classes:
https://codepen.io/andeersg/pen/MOGqPQ
$('.el').mouseenter(function() {
$(this).addClass('el-hover');
});
$('.el').mouseleave(function() {
$(this).removeClass('el-hover');
});
You can use toggleClass on hover event
$(".hoverclass").hover(function () {
$(this).toggleClass("hoverclass_toggle");
});
.hoverclass {
height: 72px;
width: 100%;
border: 1px solid #000;
}
.hoverclass_toggle {
background-color: #000;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="hoverclass">
<div class="item">
<div id="item1"> <i class="icon"></i>Test</div>
</div>
<div>
Otherwise you can do that type :
$(".hoverclass").hover(
function () {
$(this).addClass("result_hover");
},
function () {
$(this).removeClass("result_hover");
}
);
.hoverclass {
height: 72px;
width: 100%;
border: 1px solid #000;
}
.result_hover {
background-color: #000;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="hoverclass">
<div class="item">
<div id="item1">
<i class="icon"></i>Test
</div>
</div>
<div>
I want to change the color of the input element that is in focus.
I've tried with this but it doesn't seem to be working.
HTML
<li>
<input id="text1" onfocusout="removeColor()"onfocus="changeColor()" class="slut" value="{{Number}}">
</li>
<li>
<input id="text1" onfocusout="removeColor()"onfocus="changeColor()" class="slut" value="{{Priority}}">
</li>
JS
function changeColor() {
$(this).style.backgroundColor = "red";
};
function removeColor() {
$(this).style.backgroundColor = "white";
};
You only need CSS for this:
input:focus {
background-color: yellow;
}
I'm sure it was just a quick example, but be aware you have two matching ID's in your code. I guess in fact you might want to go with classes
input.yellow:focus { background-color: yellow; }
input.pink:focus { background-color: pink; }
For example
You can use
input:hover{
background-color:#ff00ff;
}
js Fiddle example
If you want to do this with jQuery, you could use the css() method:
function changeColor() {
$(this).css({"background-color":"red"});
}
function removeColor() {
$(this).css({"background-color":"white"});
}
A better way would to do this would be to use a combination of CSS / jQuery:
CSS:
.colored {
background-color: red;
}
:not(.colored) {
background-color: white;
}
JavaScript:
var colorClass = "colored";
function changeColor() {
$(this).addClass(colorClass);
}
function removeColor() {
$(this).removeClass(colorClass);
}
I prefer have a single class as a toggle. The advantage of this is you can update and change the styling as much as you want in the CSS without having to change your JavaScript. This is a good separation of concerns. In addition, you could style child elements and have them inherit the toggled state.
first pass this in onfocus. then change $(this).style.backgroundColor = "red"; to $(temp).css("backgroundColor", "red");
also use onblur' notonfocusout`
function changeColor(temp) {
$(temp).css("backgroundColor", "red");
};
function removeColor(temp) {
$(temp).css("backgroundColor", "white");
};
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<ul>
<li><input id="text1" onblur="removeColor(this)" onfocus="changeColor(this)" class="slut" value=""></li>
<li><input id="text" onblur="removeColor(this)" onfocus="changeColor(this)" class="slut" value=""></li>
</ul>
Hope this help
TLDR; You can do this without jQuery
CSS selector
input {
background-color: white;
}
input:focus {
background-color: red;
}
if with jQuery
$('input').focus(function() {
$(this).css('background', 'red');
});
$('input').focusout(function() {
$(this).css('background', 'white');
});
JQUERY: SNIPPET
$('input').focus(function() {
$(this).css('background', 'red');
});
$('input').focusout(function() {
$(this).css('background', 'white');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input/>
I have the following code that detects if a user is hovering over a box:
var toolTipHover = false;
$('#chartTooltip').on('mouseover', function () {
toolTipHover = true;
}).on('mouseout', function () {
toolTipHover = false;
});
$('.box').on('mouseover', function () {
$('#chartTooltip').show();
}).on('mouseout', function () {
console.log(toolTipHover);
if (!toolTipHover) {
$('#chartTooltip').hide();
}
toolTipHover = false;
});
And if they are then it shows the #chartTooltip element. (The tooltip is positioned and populated via some other means.)
However if the user hovers the tooltip itself it causes the tooltip to disappear (because they are no longer hovering the box). So I'm trying to check if the tooltip is being hovered (i.e. the next element hovered). and if so then ignore the mouseout event.
But toolTipHover is always false. I presume due to a race exception where mouseout has completed before the mouseover for the #chartTooltip can return the variable value of true.
How can I get around this?
I'm going to assume #chartToolTip is outside of .box for this. Instead of a flag variable (toolTipHover), just check the mouseleave event toElement property. So for example:
$('.box').on('mouseleave', function(e){
if (!$(e.toElement).is('.tooltip')){
$('.tooltip').hide();
}
})
Here is an example: https://jsfiddle.net/qvqafyf2/
$('.tooltip').hide();
$('.box').on('mouseover', function(e){
$('.tooltip').show();
})
$('.box').on('mouseleave', function(e){
if (!$(e.toElement).is('.tooltip')){
$('.tooltip').hide();
}
})
$('.tooltip').on('mouseleave', function(e){
if (!$(e.toElement).is('.box')){
$(this).hide();
}
})
.box{
width: 200px;
height: 200px;
background: red;
}
.tooltip{
height: 50px;
width: 50px;
background: green;
display: inline-block;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="box">
</div>
<div class="tooltip">
hi
</div>
You could add #chartTooltip with .box in your function like this:
$('.box , #chartTooltip').on('mouseover', function()
here is fiddle
I'm taking by first babysteps in jQuery and stumbled upon a problem I can't seem to get around.
I couldn't find an article that quite described what my problem was, so I would like to try to get an answer this way.
I don't understand why my objects keep behaving like their former class.
When I setup a hover action for a class, and change the class of the object by clicking, jQuery keeps doing the animation for the new class.
I used toggleClass() and removeClass/ addClasswithout any result:
https://jsfiddle.net/biest9160/f0na6sro/
var wide = function() {
$(this).animate({ 'width': '120px' }, 200);
}
var normal = function() {
$(this).animate({ 'width': '100px' }, 200);
}
$(document).ready(function() {
$('.class1').hover(wide, normal);
$('.class1').click(function() {
$(this).toggleClass('class1 class2');
})
})
div {
width: 100px;
height: 100px;
border: 1px solid #000;
margin: auto;
}
.class2 {
background: #555;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="box1" class="class1">box1</div>
<div id="box1" class="class1">box2</div>
<div id="box1" class="class1">box3</div>
<div id="box1" class="class1">box4</div>
I don't understand why the the hover action is triggered while the object has a new class.
Initialy you attach the event to the element with the class name. After the class is changed the event remains on the element.
To remove the event you can use .unbind. To remove .hover event you can check this answer.
A working example using .unbind to remove the event and after to reattach it will look like in the snippet (basically is toggle hover event):
var wide = function(){
$(this).animate({'width':'120px'},200);
}
var normal = function(){
$(this).animate({'width' : '100px'},200);
}
$(document).ready(function(){
$('.class1').hover(wide,normal);
$('.class1').click(function(event){
var $this = $(this);
$this.unbind('mouseenter mouseleave'); // remove hover
if( $this.hasClass('class2'))
{
$this.hover(wide, normal); // reattach hover
}
$this.toggleClass('class1 class2');
})
})
div{
width:100px;
height:100px;
border: 1px solid #000;
margin: auto;
}
.class2{
background: #555;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="box1" class="class1">box1</div>
<div id="box1" class="class1">box2</div>
<div id="box1" class="class1">box3</div>
<div id="box1" class="class1">box4</div>
Use .on() menthod to bind the event which will actually bind the event on the parent of the class.
Here is the example:
$(document).on("click", '.class1', function(){
$(this).toggleClass('class1 class2');
});
This will defiantly work...