给值
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script>
function inner()
{
var di1 = document.getElementById('div1');
var di2 = document.getElementById('div2');
var di3 = document.getElementById('div3');
di1.innerHTML = "<font color='red'> Hello </font>";
di2.innerText = "<font color='red'> Hello </font>"
}
</script>
</head>
<body>
<div id="div1" style="border: solid 1px;color: black"></div>
<hr>
<div id="div2" style="border: solid 1px;color: black"></div>
<input type="button" onClick="inner()">
</body>
</html>
取值：
var di11 = document.innerHTML; var di12 = document.innerText;