use regular expressions, or try a simple way (does not always work if the date format is not accepted by javascript):var s = document.FormName.TextName.value;
var dt = new Date(s);
if (!isNaN(s) || !isNaN(dt))
return true;
var dt = new Date(s);
if (!isNaN(s) || !isNaN(dt))
return true;
解决方案 »
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