HTML दस्तावेज़ में स्क्रॉलबार का उपयोग करके HTML तत्व को स्क्रॉल करने पर HTML ऑनस्क्रॉल ईवेंट विशेषता ट्रिगर होती है।
सिंटैक्स
निम्नलिखित वाक्य रचना है -
<tagname onscroll=”script”></tagname>
आइए हम HTML ऑनस्क्रॉल ईवेंट विशेषता का एक उदाहरण देखें -
उदाहरण
<!DOCTYPE html>
<html>
<head>
<style>
body {
color: #000;
height: 100vh;
background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) no-repeat;
text-align: center;
padding: 20px;
}
.box-para {
border: 2px solid #fff;
padding: 10px;
width: 200px;
height: 200px;
overflow: scroll;
margin: 1rem auto;
}
</style>
</head>
<body>
<h1>HTML onscroll Event Attribute Demo</h1>
<p onscroll="scrollFn()" class="box-para">
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text.</p>
<p>Scroll above paragraph text to increase its font size</p>
<script>
function scrollFn() {
document.querySelector(".box-para").style.fontSize = "1.5rem";
}
</script>
</body>
</html> आउटपुट
यह देखने के लिए कि ऑनस्क्रॉल ईवेंट विशेषता कैसे काम करती है, पैराग्राफ़ की सामग्री में स्क्रॉल करें -
