Strength password

js_strength_password

/**
 * Strength Password Class
 *
 * Build with full of the love
 *
 * Faris Rayhan
 *
 * Copyright 2014
*/

// Valid password must have at least
// one number , one big letter , one normal character and at least 8 character with maximum 32

function strengthPassword(val) {
//Our value
this.val = val;

//Create breaker for criteria

//Defaultly no normal char
this.isNormalChar = false

//And also with big letter
this.isBigLetter = false;

//And with number too
this.isNumber = false;

//Our valid function
this.doValidation = function () {

    //Lets break some of our validation if can

    if (/\d/g.exec(this.val) !== null) { //if digit found
        this.isNumber = true; //isNumber is broken set to true
    }
    if (/[A-Z]/g.exec(this.val) !== null) { //if big letter found
        this.isBigLetter = true; //isBigLetter is broken set to true
    }
    if (/[a-z]/g.exec(this.val) !== null) { //if small letter found
        this.isNormalChar = true; //isNormalChar is broken set to true
    }

    //And this to warn the user if one of our breaker still false

    if (this.isBigLetter === false) { //we do not find big letter
        return 'At least one big letter';

    }
    else if (this.isNumber === false) { //we do not find number
        return "At least one number";
    }
    else if (this.isNormalChar === false) { //we do not find normal charatcter
        return "At least one normal char";
    }
    else if (this.val.length < 8 || this.val.length > 32) { //entered password less than 8 or more than 32
        return "Minimum 8 but no more than 32 in length";

    }
    else { //everything is okay
        return "Okay you have fill all criteria as well";
    }
}

    }

//Test him

var a = new strengthPassword('a12');
console.log(a.doValidation()); //At least one big letter
var b = new strengthPassword('aA');
console.log(b.doValidation()); //At least one number
var c = new strengthPassword('1A');
console.log(c.doValidation()); //At least one normal char
var d = new strengthPassword('A1a');
console.log(d.doValidation()); //"Minimum 8 but no more than 32 in length
var e = new strengthPassword('123Aaaaa');
console.log(e.doValidation()); //Okay you have fulfill all criteria