emailexample.htm

来自「javascript源码」· HTM 代码 · 共 32 行

HTM
32
字号
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
    <head>
        <title>E-mail Example</title>
        <script type="text/javascript">
    

                function isValidEmail(sText) {
                    var reEmail = /^(?:\w+\.?)*\w+@(?:\w+\.)+\w+$/;
                    return reEmail.test(sText);
                }

                
                function validate() {
                    var oInput1 = document.getElementById("txt1");
                    if (isValidEmail(oInput1.value)) {
                        alert("Valid");
                    } else {
                        alert("Invalid!");
                    }

                }
        </script>
    </head>
    <body>
        <p>E-mail Address: <input type="text" id="txt1" /><br />
        <input type="button" value="Validate" onclick="validate()" /></p>
       
    </body>
</html>

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