get element width javascript code example
Example 1: javascript get element width
var width = document.getElementById('myID').offsetWidth;
var height = document.getElementById('myID'). offsetHeight;
Example 2: get element size javascript
let box = document.querySelector('div');
let width = box.offsetWidth;
let height = box.offsetHeight;
let box = document.querySelector('div');
let width = box.clientWidth;
let height = box.clientHeight;
Example 3: javascript set element width
document.getElementById("myElID").style.width = "100px";
Example 4: how to get width in javascript
int screenHeight = screenSize.height;
int screenWidth = screenSize.width;
Example 5: add 10px to width js
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript Increasing and Decreasing Image Size</title>
<style>
button{
padding: 3px 6px;
}
button img{
vertical-align: middle;
}
</style>
<script>
function zoomin(){
var myImg = document.getElementById("sky");
var currWidth = myImg.clientWidth;
if(currWidth == 500){
alert("Maximum zoom-in level reached.");
} else{
myImg.style.width = (currWidth + 50) + "px";
}
}
function zoomout(){
var myImg = document.getElementById("sky");
var currWidth = myImg.clientWidth;
if(currWidth == 50){
alert("Maximum zoom-out level reached.");
} else{
myImg.style.width = (currWidth - 50) + "px";
}
}
</script>
</head>
<body>
<p>
<button type="button" onclick="zoomin()"><img src="/examples/images/zoom-in.png"> Zoom In</button>
<button type="button" onclick="zoomout()"><img src="/examples/images/zoom-out.png"> Zoom Out</button>
</p>
<img src="/examples/images/sky.jpg" id="sky" width="250" alt="Cloudy Sky">
</body>
</html>