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用js检验一个字符串是否在另一个字符串中解决方案

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2016-06-13 13:52:101268browse

用js检验一个字符串是否在另一个字符串中

JScript code
<!--

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-->
<script type="text/javascript">
if ('15,10,12'.indexOf('15') > 0){
    alert('YES!');
}else{
    alert('NO!');
}
</script>


输出NO!可15明明是包含在前面一个字符串中的,请问如何修改??

------解决方案--------------------
'15,10,12'.indexOf('15') != -1
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