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  • 表单的简单练习

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Untitled Document</title>
    <script type="text/javascript">
    window.onload
    = function(){
    var oForm = document.forms[0];
    oForm.elements[
    0].focus();
    //alert(oForm.elements[0].value);
    var txt1 = document.getElementById("txt1");
    //alert(txt1.value.length);
    txt1.focus();
    txt1.select();
    var colInputs = document.getElementsByTagName('input');
    var colTextarea = document.getElementsByTagName("textarea");
    for(var i=0;i<colInputs.length; i++){
    if(colInputs[i].type=="text" || colInputs[i].type=="password"){
    colInputs[i].onfocus
    = function(){this.select();}
    }
    }
    for(var i=0;i<colTextarea.length; i++){
    colTextarea[i].onfocus
    = function(){this.select();}
    }

    }
    </script>
    </head>

    <body>

    <form action="" method="get" name="form1">
    <input type="text" id="txt1" name="text1" value="用户名" /><br />
    <input type="button" value="提交" onclick="document.forms[0].reset()" /><br />
    <input type="image" src="images/tj.gif" alt="" /><br />
    <input type="text" name="" id="" value="这是密码" onblur="alert('Blur')" onchange="alert('change')" />
    <textarea name="" id="" onfocus="this.select()" cols="30" rows="10">这是爱的呼唤</textarea>
    </form>

    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/jikey/p/1662318.html
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