Verify the password strength of js on the client, and be compatible with FireFox and IE_javascript skills

Source: Internet
Author: User
Verify the password strength of js on the client and be compatible with FireFox and IE

<Script language = "JavaScript"> function EvaluatePassword (word) {if (word = ") {return 0;} else if (word. length <6) {return 1;} else {return word. match (/[a-z] (?! [^ A-z] * [a-z]) | [A-Z] (?! [^ A-Z] * [A-Z]) | \ d (?! [^ \ D] * \ d) | [^ a-zA-Z \ d] (?! [A-zA-Z \ d] * [^ a-zA-Z \ d])/g ). length ;}} var test = new Array ("", "a1 _", "abcdef", "abcde123", "ads23 %", "aA1B2 ^ & 2 "); for (var I in test) {document. the password strength of write (test [I] + "is" + EvaluatePassword (test [I]) + "");} script
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Just change it to this ......

Password: <input id = "txt" onblur = "ck (this. value) "> <label id = n> </label> script function ck (t) {n. innerText = /(? : ^ (W) 1 {0, 8} $) | ^ (? :( 0? 1? 2? 3? 4? 5? 6? 7? 8? 9? 0 ?) 2? $) | ^ W {0, 6} $/I. test (t )? 'Too easy ': 'Okay';} script
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]


Google Effect

<Script language = javascript> // CharMode function // test the type of a character. function CharMode (iN) {if (iN> = 48 & iN <= 57) // number return 1; if (iN> = 65 & iN <= 90) // capital letter return 2; if (iN> = 97 & iN <= 122) // lower case return 4; else return 8; // special character} // bitTotal function // calculate the total number of modes in the current password: function bitTotal (num) {modes = 0; for (I = 0; I <4; I ++) {if (num & 1) modes ++; num >>>= 1;} return modes ;} // checkStrong function // return the password strength level function checkStrong (sPW) {if (sPW. length <= 4) return 0; // The password is too short. Modes = 0; for (I = 0; I <sPW. length; I ++) {// test the category of each character and count the total number of modes. modes | = CharMode (sPW. charCodeAt (I);} return bitTotal (Modes);} // pwStrength function // when the user releases the keyboard or the password input box loses focus, function pwStrength (pwd) {O_color = "# eeeeee"; L_color = "# FF0000"; M_color = "# FF9900 "; h_color = "#33CC00"; if (pwd = null | pwd = '') {Lcolor = Mcolor = Hcolor = O_color;} else {S_level = checkStrong (pwd ); switch (S_level) {case 0: Lcolor = Mcolor = Hcolor = O_color; case 1: Lcolor = L_color; Mcolor = Hcolor = O_color; break; case 2: Lcolor = Mcolor = M_color; hcolor = O_color; break; default: Lcolor = Mcolor = Hcolor = H_color;} document. getElementById ("strength_L "). style. background = Lcolor; document. getElementById ("strength_M "). style. background = Mcolor; document. getElementById ("strength_H "). style. background = Hcolor; return;} script
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

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