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我在使用Javascript验证表单时遇到问题。我尝试了一堆不同的东西,但我无法让它工作。这可能是我错过了一些完全基本的东西,我很新。请让我知道我可能会改变什么。Javascript无法通过验证
<!DOCTYPE html>
<html lang = "en">
<head>
\t <title> </title>
\t <meta charset = "utf-8" />
\t
</head>
<body>
\t <script lang = "text/javascript">
\t
\t document.getElementById("myForm").onsubmit = validateForm();
\t
\t function zipcheck(sZip)
\t {
\t \t var postalRegex = /^d{5}(-\d{4})?$/;
\t \t return postalRegex.test(sZip);
\t }
\t function validateForm()
\t {
\t \t if (zipcheck(document.getElementById("zip"))
\t \t \t return true;
\t \t else
\t \t {
\t \t \t alert(document.getElementById("zip") + " is not a valid zip code");
\t \t \t return false;
\t \t }
\t }
\t </script>
\t <form id = "myForm" action = "" >
\t <p>
\t
\t <label> Zip Code
\t \t <input type = "text" id = "zip" />
\t </label>
\t
\t <input type = "submit" name = "submit" />
\t
\t </p>
\t </form>
\t
</body>
</html>
感谢您的快速响应!我对代码进行了这些更改,但仍未验证表单。 – NerevarineKing
添加I编辑的答案,其他一些地区wheren't正确 –
'的document.getElementById( “myForm的”)的onsubmit = validateForm();'应该是'的document.getElementById( “myForm的”)的onsubmit = validateForm;'或'document.getElementById(“myForm”)。addEventListener(“submit”,validateForm)' –