JS 密碼強度驗證(兼容IE,火狐,谷歌)

2019-11-21 00:40:30

字體：大中小

來源：轉載

供稿：網友

大概樣式:

源碼:

 
//=================HTML頁面================= 
<body onload="InitCss();"> 
<form> 
<div> 
<table> 
<tr> 
<td> 
密碼: 
</td> 
<td> 
<input id="txtPassword" type="password" style="width: 130px;" maxlength="16" onfocus="InitCss();" 
onblur="ValidateInput('password',this.value)" onkeydown="validatePwdStrong(this.value);" /> 
</td> 
<td> 
<div id="tipPosition"> 
</div> 
</td> 
</tr> 
<tr> 
<td> 
</td> 
<td> 
<table id="pwdStrong_color"> 
<tr> 
<td id="pwdStrong_1"> 
</td> 
<td id="pwdStrong_2"> 
</td> 
<td id="pwdStrong_3"> 
</td> 
<td id="pwdStrong_4"> 
</td> 
</tr> 
</table> 
</td> 
<td> 
<div id="pwdStrong_text"> 
</div> 
</td> 
</tr> 
</table> 
</div> 
</form> 
</body> 

JS文件

復制代碼代碼如下:

 
//使用$替換document.getElementById函數 
var $ = function(v) { return document.getElementById(v); } 

/******************************************************驗證用戶輸入******************************************************/ 
function ValidateInput(element, value) { 
//驗證密碼 
if (element == "password") { 
if (value.toString().length < 6) { 
$('tipPosition').className = 'error'; 
$('tipPosition').innerHTML = "密碼設置錯誤。密碼長度過小。"; 
return; 
} 
else { 
$('tipPosition').className = 'success'; 
$('tipPosition').innerHTML = "填寫正確。"; 
} 
} 
} 
/*================================密碼驗證JS =========== Begin=======================================*/ 
//密碼初始化的樣式 
function InitCss() { 
$('tipPosition').className = 'tip'; 
$('tipPosition').innerHTML = "最小長度:6。 最大長度:16。"; 
} 

/*================================密碼強度 ===========Begin=======================================*/ 

function Evaluate(word) { 
return word.replace(/^(?:([a-z])|([A-Z])|([0-9])|(.)){5,}|(.)+$/g, "$1$2$3$4$5").length; 
} 

function validatePwdStrong(value) { 
var pwd = { 
color: ['#E6EAED', '#AC0035', '#FFCC33', '#639BCC', '#246626'], 
text: ['太短', '弱', '一般', '很好', '極佳'] 
}; 
function colorInit() { 
$('pwdStrong_1').style.backgroundColor = pwd.color[0]; 
$('pwdStrong_2').style.backgroundColor = pwd.color[0]; 
$('pwdStrong_3').style.backgroundColor = pwd.color[0]; 
$('pwdStrong_4').style.backgroundColor = pwd.color[0]; 
} 
if (Evaluate(value) == 1) { 
colorInit(); 
$('pwdStrong_1').style.backgroundColor = pwd.color[1]; 
$('pwdStrong_text').innerHTML = pwd.text[1]; 
$('pwdStrong_text').style.color = pwd.color[1]; 
} 
else if (Evaluate(value) == 2) { 
colorInit(); 
$('pwdStrong_1').style.backgroundColor = pwd.color[2]; 
$('pwdStrong_2').style.backgroundColor = pwd.color[2]; 
$('pwdStrong_text').innerHTML = pwd.text[2]; 
$('pwdStrong_text').style.color = pwd.color[2]; 
} 
else if (Evaluate(value) == 3) { 
colorInit(); 
$('pwdStrong_1').style.backgroundColor = pwd.color[3]; 
$('pwdStrong_2').style.backgroundColor = pwd.color[3]; 
$('pwdStrong_3').style.backgroundColor = pwd.color[3]; 
$('pwdStrong_text').innerHTML = pwd.text[3]; 
$('pwdStrong_text').style.color = pwd.color[3]; 
} 
else if (Evaluate(value) == 4) { 
$('pwdStrong_1').style.backgroundColor = pwd.color[4]; 
$('pwdStrong_2').style.backgroundColor = pwd.color[4]; 
$('pwdStrong_3').style.backgroundColor = pwd.color[4]; 
$('pwdStrong_4').style.backgroundColor = pwd.color[4]; 
$('pwdStrong_text').innerHTML = pwd.text[4]; 
$('pwdStrong_text').style.color = pwd.color[4]; 
} 
} 

//=================CSS文件=================

復制代碼代碼如下:

 
body 
{ 
font: 13px 宋體; 
} 
/*密碼驗證提示CSS --------------------------------開始--------------------------------*/ 
#tipPosition 
{ 
width: 400px; 
height: 16px; 
line-height: 18px; 
padding: 2px 30px; 
} 
.tip 
{ 
background: #E6F2FF url(images/register_tip.png) no-repeat 10px center; 
border: 1px #0E5863 dashed; 
color: #0E5863; 
} 
.error 
{ 
background: #FBECDF url(images/register_error.png) no-repeat 10px center; 
border: 1px Red dashed; 
color: #6D3737; 
} 
.success 
{ 
background: #D6FCD2 url(images/register_success.png) no-repeat 10px center; 
border: 1px #2F5D36 dashed; 
color: #3D934A; 
} 
/*密碼強度CSS --------------------------------開始--------------------------------*/ 
#pwdStrong_color 
{ 
width: 136px; 
height: 3px; 
border: 0px; 
border-collapse: collapse; 
border-spacing: 0; 
background: #E6EAED; 
margin-top: 5px; 
} 
#pwdStrong_color td 
{ 
padding: 0px; 
width: 44px; /*如不加td寬度,Google的Chrome不會正常顯示*/ 
} 
#pwdStrong_text 
{ 
font: 12px 宋體; 
} 