Basic validation of JavaScript forms

Source: Internet
Author: User

JavaScript setup Forms Basic validation

As follows:

1<! DOCTYPE HTML PUBLIC "-//w3c//dtd XHTML 1.1//en" "Http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" >234<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>5<title> User Registration </title>6<style type= "Text/css" >7 body{8background-color: #FFF;9Background-image:url (images/1616.jpg);Tenbackground-repeat:no-repeat; Onebackground-size:1400px 230px; A         } - #box { -font-size:20px; the color: #05032C; -margin-left:450px; -font-weight:570; -         } + span{ -Color: #333; +font-size:12px;  A         } at          -</style> -<script type= "Text/javascript" > -         varflag=NewArray (false,false,false,false); -         //determine the user name -         functiontest1 () { inflag[0]=false; -             varName = document.getElementById ("name"); to             varspan1= document.getElementById ("Span1");  +             if((name.value.length>=2 &&name.value.length<=4) && (/^[\u4e00-\u9fff]*$/. Test (Name.value))) { -                 //span1.style.display= "None"; theSpan1.style.color= "White"; *flag[0]=true; $}Else{Panax NotoginsengSpan1.style.color= "Red"; -flag[0]=false; the             }         +         } A         //determine the phone number the         functiontest2 () { +flag[1]=false; -             varTel = document.getElementById ("tel"); $             varspan2= document.getElementById ("Span2");  $             if(/^1 (3|5|7|9) \d{9}$/. Test (Tel.value)) { -Span2.style.color= "White"; -flag[1]=true; the}Else{ -Span2.style.color= "Red";Wuyiflag[1]=false; the             }         -         } Wu         //Determine the password -         functiontest3 () { Aboutflag[2]=false; $             varPassword = document.getElementById ("Password"); -             varspan3= document.getElementById ("Span3");  -             if((password.value.length>=6) && (password.value.length<=20) -&& (/^[a-za-z][a-za-z0-9_]*$/. Test (Password.value))) { ASpan3.style.color= "White"; +flag[2]=true; the}Else{ -Span3.style.color= "Red"; $flag[2]=false;  the             }         the         } the         //Confirm Password the         functiontest4 () { -flag[3]=false; in             varPassword = document.getElementById ("Password"); the             varRepassword = document.getElementById ("Repassword"); the             varspan4= document.getElementById ("Span4");  About             if(((repassword.value!=NULL) && (repassword.value!= "")) && (repassword.value==password.value)) { theSpan4.style.color= "White"; theflag[3]=true; the}Else{ +Span4.style.color= "Red"; -flag[3]=false; the             }        Bayi         } the         //Login Judgment the         functionReg () { -             varCount=0; -              for(vari=0;i<flag.length;i++){ the                 if(flag[i]==true){ thecount++; the                     if(count==flag.length) { the                         return true; -                     } the                 } the             } the             return false;94         } the          the</script> the98<body id= "Body" > About<form action= "timer. html" method= "POST" style= "color: #0F0; Font-size:36px "onsubmit=" Return Reg () "> -<table id= "box" ><br/><br/><br/><br/><br/><br/>101<tr>102<td> User name:</td>103<td><input id= "name" type= "text" onblur= "test1 ()" style= "Border-color: #339"/>104<span id= "Span1" >&nbsp; must enter Chinese character name </span> the</td>106</tr>107<tr>108<td> Mobile Number:</td>109<td><input id= "Tel" type= "text" onblur= "test2 ()" style= "Border-color: #339"/> the<span id= "span2" >&nbsp; mobile phone number must meet the conditions </span>111</td> the</tr>113<tr> the<td> Enter Password:</td> the<td><input id= "password" type= "password" onblur= "Test3 ()" style= "Border-color: #339"/> the<span id= "span3" >&nbsp; English alphabet with letters, numbers and underscore letters, with a length of not less than 6</span>117</td>118</tr>119<tr> -<td> Confirm Password:</td>121<td><input id= "Repassword" type= "password" onblur= "test4 ()" style= "Border-color: #339"/>122<span id= "Span4" >&nbsp; two times password input must be consistent </span>123</td>124</tr> the<tr>126<td> Sex &nbsp;&nbsp;:</td>127<td><input type= "Radio" name= "Gender" checked= "checked"/> Male -<input type= "Radio" name= "gender"/> Female129</td> the</tr>131<tr> the<td> Studies &nbsp;&nbsp; Calendar:</td>133<td>134<select name= "Education" >Education135<option value= "Primary School" selected= "selected" > Primary school </option>136<option value= "Junior High School" > Junior High School </option>137<option value= "High School" > High School </option>138<option value= "University" > University </option>139</select> $                   141</td>142</tr>143<tr>144<td> Love &nbsp;&nbsp; Good:</td>145<td>146<input type= "checkbox" Name= "Love" checked= "checked"/> Internet147<input type= "checkbox" Name= "Love"/> Blue Ball148<input type= "checkbox" Name= "Love"/> Soccer149<input type= "checkbox" Name= "Love"/> Mountain climbing Max<input type= "checkbox" Name= "Love"/> Reading151</td> the</tr>153</table>154<input type= "Submit" value= "Submission"155Style= "FONT-SIZE:18PX; Color: #000; Background-color: #FC0; margin-left:550px; Border-color: #00F "/>156<input type= "reset" value= "reset"157Style= "FONT-SIZE:18PX; Color: #000; Background-color: #FC0; Margin-left:60px;border-color: #00F "/>158<br/><br/>159</form> the161     162</body>163

Basic validation of JavaScript forms

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