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js获取span标签的值

2016-03-16 11:20 447 查看
<!DOCTYPE html>

<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript">
function loadText(){
var spanValue = document.getElementById("getSpanText").innerHTML;
alert("spanValue = " + spanValue);
}
</script>
</head>
<body onload="loadText()">
<span id="getSpanText">Jason</span>
</body>
</html>

HTML中代码为:

[html] view plain copy







<span id="testid">aaaa</span>

获取的js代码:

方法一:.innerText

[javascript] view plain copy







var x1 = document.getElementById("testid").innerText;

alert("x1="+x1);



方法二:.innerHTML

[javascript] view plain copy







var x2 = document.getElementById("testid").innerHTML;

alert("x2="+x2);

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