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后台程序也有浏览器兼容问题?

WBOY
WBOYOriginal
2016-06-23 14:01:271575browse

if(!is_numeric($num)){
echo '<script>alert("请输入数字!");</script>';
}

在IE浏览器下输入数字也会执行if里的弹框 求解


回复讨论(解决方案)

后台程序跟浏览器兼容木有关系啊

后台程序跟浏览器兼容木有关系啊


是啊 我也觉得奇怪 可我就是碰到了这样的问题

$num 从哪来的,打印出来看看

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