javascript - Password Validation Without using regex -


i want validate password field have atleast 1 character ,atleast 1 small letter,atleast 1 big letter , atleast 1 number , length should more 8.

how can without using regex method? 

var password = 'password8'; var hasbigletter   = false; var hassmallletter = false; var hasnumber      = false; (var = 0; < password.length; i++) {   var charcode = password.charcodeat(i);   if(charcode > 47 && charcode < 58)     hasnumber = true;   if(charcode > 64 && charcode < 91)     hasbigletter = true;   if(charcode > 96 && charcode < 123)     hassmallletter = true; } if(hasbigletter && hassmallletter && hasnumber)   alert("password ok"); else   alert("password missing "+(hasbigletter)?(hassmallletter)?(hasnumber === false)?"number":"something else":"small letter":"big letter");

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