<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>文字搬运工</title>
<style>
.nav{border: 5px blue solid;float: left}
.left{float:left;margin:30px;border:3px red solid;width: 300px;height: 200px;}
.right{float: left;margin: 30px;border:3px black solid;width:300px;height: 200px;}
button{position:relative;top: 30px;float: left;}
</style>
</head>
<body>
<div class="nav">
<textarea class="left"></textarea>
<button>文字右移</button>
<textarea class="right"></textarea>
</div>
<script>
window.onload=function () {
var textLeft=document.getElementsByClassName("left")[0];
var textRight=document.getElementsByClassName("right")[0];
var button=document.getElementsByTagName("button")[0];
button.onclick=function () {
textRight.value+=textLeft.value;
textLeft.value="";
}
}
</script>
</body>
</html>
效果:
注释:左框输入,点击按钮,文字转移到右框