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Resizing Two Divs at Once

So basically, I've got a bottom div and a top div inside a container. I need the bottom div to be adjustable, and the top div to kind of follow it around and occupy the empty space. I made a simple jQuery script, but it behaves very erratically and seems to exponentially expand everything.
Here's my code:
var lol = $("#lol").height();
var message = $("#text").height();
$("#message").height(lol - message);
$("#text").resizable({
handles: 'n',
resize: function() {
var lol = $("#lol").height();
var message = $("#text").height();
$("#message").height(lol - message);
}
});
#lol {
position: absolute;
top: 150px;
bottom: 0;
left: 50%;
transform: translateX(-50%);
border: 1px solid black;
}
#message {
background: black;
height: 400px;
width: 700px;
}
#text {
background: red;
width: 700px;
height: 100px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link href="https://fonts.googleapis.com/css?family=Raleway|Sarina" rel="stylesheet">
<script src='https://www.google.com/recaptcha/api.js'></script>
<div id="lol">
<div id="message">
</div>
<div id="text">
</div>
</div>

When you resize text it moves the top of the div. You can reset the top to 0 to stop it from moving.
Here are 2 solutions:
var lolHeight = $("#lol").height();
var $message = $("#message");
var $text = $("#text");
$message.height(lolHeight - $text.height());
$text.resizable({
handles: 'n',
resize: function(event, ui) {
$message.height(lolHeight - ui.size.height);
ui.position.top = 0;
}
});
#lol {
position: absolute;
top: 150px;
bottom: 0;
left: 50%;
transform: translateX(-50%);
border: 1px solid black;
}
#message {
background: black;
height: 400px;
width: 700px;
}
#text {
background: red;
width: 700px;
height: 100px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link href="https://fonts.googleapis.com/css?family=Raleway|Sarina" rel="stylesheet">
<script src='https://www.google.com/recaptcha/api.js'></script>
<div id="lol">
<div id="message">
</div>
<div id="text">
</div>
</div>
Or
var lolHeight = $("#lol").height();
var $message = $("#message");
var $text = $("#text");
$message.height(lolHeight - $text.height());
$message.resizable({
handles: 's',
resize: function(event, ui) {
$text.height(lolHeight - ui.size.height);
}
});
#lol {
position: absolute;
top: 150px;
bottom: 0;
left: 50%;
transform: translateX(-50%);
border: 1px solid black;
}
#message {
background: black;
height: 400px;
width: 700px;
}
#text {
background: red;
width: 700px;
height: 100px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link href="https://fonts.googleapis.com/css?family=Raleway|Sarina" rel="stylesheet">
<script src='https://www.google.com/recaptcha/api.js'></script>
<div id="lol">
<div id="message">
</div>
<div id="text">
</div>
</div>

Contain a large draggable child div inside smaller parent div

I would like to prevent a larger div from being dragged out of smaller div, like facebook does with it's profile images.
Does anyone have an idea of how I would go about to do this?
All the best, Laurens
In the following link I give an example of what i mean.
draggable_outside
PS: I'm sorry, I didn't get the JS section to work in the code snippet, it's my first post. I wrote it as a script in the HTML section.
.wrapper {
width: 400px;
height: 300px;
display: flex;
align-items: center;
justify-content: center;
}
.parent {
background: gray;
display: block;
width: 100px;
height: 100px;
}
.child {
position: absolute;
width: 200px;
height: 200px;
display: block;
background: blue;
opacity: 0.5;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.1/jquery.min.js"></script>
<link href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css" rel="stylesheet" />
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('.child').draggable();
});
</script>
<div class="wrapper">
<div class="parent">
<div class="child">
</div>
</div>
</div

You can use jQuery draggable function as follows.
Here in drag event we reset x and y if they cross the boundaries.
See the fiddle here
.wrapper {
width: 400px;
height: 300px;
display: flex;
align-items: center;
justify-content: center;
}
.parent {
background: gray;
display: block;
width: 100px;
height: 100px;
}
.child {
position: absolute;
width: 200px;
height: 200px;
display: block;
background: blue;
opacity: 0.5;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.1/jquery.min.js"></script>
<link href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css" rel="stylesheet" />
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('.child').draggable(
{
drag: function(event, ui) {
var offset = $(this).offset();
var xPos = offset.left;
var yPos = offset.top;
$('#posX').text('x: ' + xPos);
$('#posY').text('y: ' + yPos);
// console.log(xPos);
// console.log(yPos);
if(ui.position.left>250)
{
ui.position.left=250;
}
if(ui.position.left<-40)
{
ui.position.left=-40;
}
if(ui.position.top<-90)
{
ui.position.top=-90;
}
if(ui.position.top>200)
{
ui.position.top=200;
}
}
});
});
</script>
<div class="wrapper">
<div class="parent">
<div class="child">
</div>
</div>
</div

Cannot select element in JQuery and execute simple event

I cannot make a simple click event on the "canvas" using JQuery click function.
$(document).ready(function(){
alert("test");
$("#canvas").click(function(){
alert("canvas");
});
$(".middle").click(function(){
alert("middle");
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="middle">middle
<div id="canvas">canvas</div>
</div>
"test" message is appearing but functions above is not working. Other siblings of div "middle" (I did not include since I tried to remove them for testing and it still happening) can execute events but only this div and inside cannot execute a single event.
Tried also to console.log($("#canvas")) and it fetches some data below.
[div#canvas]
here is the complete html:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="/demo/resources/themes/bootstrap/css/bootstrap.min.css" rel="stylesheet" />
<link href="/demo/resources/themes/custom/css/custom.css" rel="stylesheet" />
<script src="/demo/resources/themes/bootstrap/js/bootstrap.min.js"></script>
<script src="/Sketchy-demo/resources/themes/custom/js/custom.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>App Page</title>
</head>
<body>
<div class="middle">
<div id="canvas"></div>
</div>
</body>
</html>
custom.css
.middle{
z-index: -1;
position: relative;
display: block;
height: 88%;
width:100%;
top: 0px;
left:0px;
margin: 0px;
background-color: transparent;
}
#canvas{
display: block;
position: relative;
height: 88%;
width: 80%;
margin: auto;
top: 6%;
background-color: white;
border: 5px dashed black;
border-radius: 10px;
}
Below is the image of the divs:
This is really frustrating because this is a basic function that I cannot call.
Edit:
I added a https://jsfiddle.net/5mtt2khu/
Please let me know any questions.
Thanks!

Do with event.target element .And match with condition
Updated js Fiddle
$(document).ready(function() {
alert("test");
$(".middle").click(function(e) {
if($(e.target).attr('id')== 'canvas'){
alert('canvas')
//do stuff for canvas
}
else{
alert("middle");
//do stuff for middle
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="middle">middle
<div id="canvas">canvas</div>
</div>
Updated
Remove or change the z-index
$(document).ready(function() {
alert("test");
$(".middle").click(function(e) {
if ($(e.target).attr('id') == 'canvas') {
alert('canvas')
//do stuff for canvas
} else {
alert("middle");
//do stuff for middle
}
});
});
.middle {
z-index:0;/*remove or change > -1*/
position: relative;
display: block;
height: 88%;
width: 100%;
top: 0px;
left: 0px;
margin: 0px;
background-color: red;
}
#canvas {
display: block;
position: relative;
height: 88%;
width: 80%;
margin: auto;
top: 6%;
background-color: white;
border: 5px dashed black;
border-radius: 10px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="middle">
<div id="canvas"></div>
</div>

Your code seems to work.
So the problem must come from other things. Here is some possibilities :
JQuery is not correctly installed
You have a javascript error before so this is never executed
Your html is dynamically added after you load the event handler
You have an other div with the same id somewhere
If your html is dynamically added, I recommend you to do something like this
$(document).ready ( function () {
$(document).on ("click", "#canvas", function () {
alert("canvas");
});
$(document).on ("click", "#middle", function () {
alert("middle");
});
});
If you have several "canvas" id, you can do something like :
$("[id=canvas]").click(function () {
alert("canvas");
});

I think you are looking for something like this:
$(document).ready(function(){
alert("test");
$("#canvas").click(function(e){
alert("canvas");
e.stopPropagation();
});
$(".middle").click(function(){
alert("middle");
});
});
.middle {
width: 200px;
height: 200px;
background: red;
}
#canvas {
width: 100px;
height: 100px;
background: green;
margin: 50px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="middle">
<div id="canvas"></div>
</div>
Hope it helps :)

<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" type="text/css" media="screen" />
</head>
<body>
<div class="middle">
<div id="canvas" style="width:10px;height:10px;background:red;"></div>
</div>
</body>
<script>
$(document).ready(function(){
alert("test");
$("#canvas").click(function(){
alert("canvas");
});
$(".middle").click(function(){
alert("middle");
});
});
</script>
Try to change the div to input type or button.It works when I specified the color to the div and clicking it.So, without knowing where to click the event was not working.

Your jQuery code is actually working fine as it should. The problem here is propably because the canvas has no height and width defined, so it's too small to actually be able to click on it.
Give the divs a height and width like the below code snippet and you'll see that the jQuery gets executed correctly.
$(document).ready(function(){
alert("test");
$("#canvas").click(function(){
alert("canvas");
});
$(".middle").click(function(){
alert("middle");
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="middle" style="border: 1px solid black; height: 50px; width: 100px;">
<div id="canvas" style="border: 1px solid red; height: 15px; width: 30px;"></div>
</div>

How to move other elements on jQuery animation

I have a simple jQuery website, where there are four blocks, when you press a block, another block slides out of it. It all works, for the most part, however, i was wondering how i could get the block that slides out to move the other elements below it down.
$(document).ready(function() {
var height = 145;
var speed = 600;
$("#one").animate({
width: "100%",
height: height
}, speed, function() {
$("#two").animate({
width: "100%",
height: height
}, speed, function() {
$("#three").animate({
width: "100%",
height: height
}, speed, function() {
$("#four").animate({
width: "100%",
height: height
}, speed);
});
});
});
$("#one").click(function() {
$(".dropDown").not("#oneS").slideUp();
$("#oneS").slideToggle();
});
$("#two").click(function() {
$(".dropDown").not("#twoS").slideUp();
$("#twoS").slideToggle();
});
$("#three").click(function() {
$(".dropDown").not("#threeS").slideUp();
$("#threeS").slideToggle();
});
$("#four").click(function() {
$(".dropDown").not("#fourS").slideUp();
$("#fourS").slideToggle();
});
});
#charset "utf-8";
.selectors {
position: relative;
border-radius: 30px;
}
#one {
background-color: blue;
height: 400px;
width: 100px;
margin-bottom: 10px;
}
#two {
background-color: red;
height: 400px;
width: 100px;
margin-bottom: 10px;
}
#three {
background-color: yellow;
height: 400px;
width: 100px;
margin-bottom: 10px;
}
#four {
background-color: green;
height: 400px;
width: 100px;
}
.dropDown {
background-color: #E9E9E9;
height: 300px;
width: 100%;
position: absolute;
//overflow:auto;
border-radius: 10px;
z-index: 1;
}
#oneS {
display: none;
top: 150px;
}
#twoS {
display: none;
top: 150px;
}
#threeS {
display: none;
top: 150px;
}
#fourS {
display: none;
top: 150px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link href="http://code.jquery.com/ui/1.10.2/themes/smoothness/jquery-ui.css" rel="stylesheet" type="text/css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" type="text/css" href="style.css" />
<script type="text/javascript" src="jQuery.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<div id="one" class="selectors">
<div id="oneS" class="dropDown"></div>
</div>
<div id="two" class="selectors">
<div id="twoS" class="dropDown"></div>
</div>
<div id="three" class="selectors">
<div id="threeS" class="dropDown"></div>
</div>
<div id="four" class="selectors">
<div id="fourS" class="dropDown"></div>
</div>
</body>
</html>
Four blocks:
Slid out block:
As you can see when the block is slid out, it covers over the red and yellow block. Instead i would like the sliding block to move the red and yellow block down the page, and out from under the sliding block.

There's a few things wrong.
The general issue is that you're fighting the natural behavior of the HTML since the .dropDown elements are children of the .selectors elements. You would get closer to your desired result if they were siblings.
Make them siblings and remove some troublesome CSS properties like position:absolute and top and you should get closer to your desired effect.
Here is a JSBin of a working demo: http://jsbin.com/titibununu/1/edit?html,css,js,output

JQuery Sliding Div off of screen

Ok, I am creating a landing page, where what I want to happen, is the page split in half, and either side slide off of the screen, and the main page is left. I almost have it, but what the right side is doing, is whenever the window is at certain sizes, it is going below the left side. I'm not sure quite how to fix this, and everything I try doesn't really work, and there I haven't been able to find any answers online. Thanks for any help
CODE
body,
html {
min-width: 100%;
min-height: 100%;
margin: 0px;
background-color: gray;
}
#landingDiv {
min-width: 1100px;
height: 100vh;
}
#lBanText {
font-size: 50px;
}
#lBanText p {
top: 0;
bottom: 0;
position: relative;
margin: auto;
margin-top: 2px;
}
.lBan {
dispay: block;
width: 100%;
min-height: 60px;
background-color: red;
padding: 0px;
postion: relative;
float: left;
}
#leftHalf,
#rightHalf {
min-width: 50%;
position: relative;
float: left;
height: 100%;
left: 0;
}
<!DOCTYPE html>
<html>
<head>
<title>
Name of Site
</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
window.addEventListener("keydown", checkKey);
function checkKey(e) {
var key = e.keyCode;
//alert(key);
if(key === 79) {
$("#leftHalf").hide("slide", {direction: "left"}, 1000);
$("#rightHalf").hide("slide", {direction: "right"}, 1000);
}
};
});
</script>
</head>
<body>
<div id="landingDiv">
<div id="leftHalf">
<div id="lBanText" class="lBan">
<p>
Title of Website Here
</p>
</div>
</div>
<div id="rightHalf">
<div class="lBan">
</div>
</div>
</div>
</body>
</html>