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Usage example of confirm is used to determine whether to execute the button operation_javascript skills

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WBOYOriginal
2016-05-16 16:43:521405browse
<script type = "text/javascript" language = "javascript"> 
function clear1() { 
if(confirm("确定要清空数据吗？")) { 
document.main.text1.value = ""; }
} 
</script>
<body>
<form name="main"> 
<input type="text" name="text1" /> 
<input type="button" name="Submit" value="清空数据" onClick="return clear1();">
</form>
</body>
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