element-resize-event-polyfill
Version:
Native event listener polyfill to capture element size changes
53 lines (49 loc) • 1.46 kB
HTML
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<script src="../dist/element-resize-event-polyfill.umd.js"></script>
<style>
.container {
width: 300px;
height: 200px;
border: 1px solid;
resize: both;
overflow: auto;
}
.marker {
background: pink;
}
</style>
<title>Document</title>
</head>
<body>
<div class="container" id="container">
<span class="marker"></span>
</div>
</body>
<script>
const elm = document.getElementById('container')
const marker = document.querySelector('.marker')
function markSize(el) {
const width = el.clientWidth
const height = el.clientHeight
const marker = document.querySelector('.marker')
console.log(`The size of the target element is width:${width},height:${height}`)
marker.innerHTML = `${width}*${height}`
}
markSize(elm)
elm.addEventListener('resize', function(e) {
console.log('Trigger resizable event by listener one')
markSize(e.target)
})
elm.addEventListener('resize', function(e) {
console.log('Trigger resizable event by listener two')
})
elm.onresize = function(e) {
console.log('Trigger resizable event by handler')
}
</script>
</html>