jQuery innerWidth() method returns the inner width of the selected element. Padding is included in this method but not the border and margin.
Syntax:
$(selector).innerWidth()
Example1:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
alert("Inner width of the div is: " + $("div").innerWidth());
});
});
</script>
</head>
<body>
<div style="height:100px;width:500px;padding:5px;margin:3px;border:1px solid blue;background-color:lightpink;"></div><br>
<button>Width</button>
</body>
</html>
Example2:
<!DOCTYPE html>
<html>
<head>
<style>
div {
width: 60px;
padding: 10px;
height: 100px;
float: left;
margin: 5px;
background: orange;
cursor: pointer;
}
.mod {
background: turquoise;
cursor: default;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<div>Thick</div>
<div>Thin</div>
<div>Thinner</div>
<div>Thinnest</div>
<script>
var modwidth = 100;
$( "div" ).one( "click", function() {
$( this ).innerWidth( modwidth ).addClass( "mod" );
modwidth -= 10;
});
</script>
</body>
</html>