js实现图片输入切换效果
原创
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript">
window.onload = function(){
var aPt = document.getElementById('pt');
var aBtn = document.getElementById('btn');
var aImg = document.getElementById('img');
var aP = document.getElementById('p');
console.log(aPt,aBtn,aImg,aP);
btn.onclick = function(){
aImg.src = 'img/'+ aPt.value +'.jpg';
aP.innerHTML = '显示的是img/'+ aPt.value +'.jpg';
}
}
</script>
</head>
<body>
<p><input type="text" name="" id="pt" value="" /><button type="button" id="btn">切换</button></p>
<img src="img/1.jpg" alt="t" id="img">
<p id="p">显示的是img/1.jpg</p>
</body>
</html>
