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<html>3
<head>4
<meta charset="utf-8">5
<title>蜜蜂教程(mifengjc.com)</title>6
</head>7
<head>8
<script>9
function timedText() {10
var x = document.getElementById('txt');11
var t1 = setTimeout(function() {12
x.value = "2 seconds"13
}, 2000);14
var t2 = setTimeout(function() {15
x.value = "4 seconds"16
}, 4000);17
var t3 = setTimeout(function() {18
x.value = "6 seconds"19
}, 6000);20
}21
</script>22
</head>23
<body>24
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<form>26
<input type="button" value="显示文本时间!" onclick="timedText()" />27
<input type="text" id="txt" />28
</form>29
<p>点击上面的按钮，输出的文本将告诉你2秒，4秒，6秒已经过去了。</p>30
</body>31
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</html>