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HTML Window length Property
The HTML Window length property returns the number of <iframe> elements in the current HTML document.
Syntax
Following is the syntax −
window.length
Let us see an example of HTML Window length property −
Example
<!DOCTYPE html>
<html>
<style>
body {
color: #000;
height: 100vh;
background-color: #8BC6EC;
background-image: linear-gradient(135deg, #8BC6EC 0%, #9599E2 100%);
text-align: center;
}
.btn {
background: #db133a;
border: none;
height: 2rem;
border-radius: 2px;
width: 40%;
display: block;
color: #fff;
outline: none;
cursor: pointer;
margin: 1rem auto;
}
</style>
<body>
<h1>HTML Window length Property</h1>
<iframe src="https://tutorialspoint.com/"></iframe>
<button onclick="display()" class="btn">Show the number of iframe</button>
<div class="show"></div>
<script>
function display() {
document.querySelector('.show').innerHTML = 'Number of iframe is: ' + window.length;
}
</script>
</body>
</html>Output
Click on “Show the number of iframe” button to display the number of iframe in the HTML document −
Updated on: 01-Oct-2019
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