<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>每天一个JavaScript实例-处理textarea中的字符成每一行</title>
<script>
function clicka(){
console.log("aaa");
var aa = document.getElementById("text");
var lines = aa.value.split("\n");
var bbb = document.getElementById("result");
var string = "";
for(i=0;i<lines.length;i++){
string+= lines[i]+"<br />";////</br> 和<br /> 应该用 <br />
}
bbb.innerHTML=string
}
</script>
</head>
<body>
<textarea id="text" placeholder="请输入多行文字"></textarea>
<div id = "result"></div>
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