Here you can find the source of sanitize()
String.prototype.sanitize = function() { return $('<div/>').text(this).html(); };
String.prototype.sanitize = function(){ return this.replace(/</g, '<').replace(/>/g, '>');
String.prototype.sanitize = function() { return this .replace(/&/g, '&') .replace(/</g, '<') .replace(/>/g, '>') .replace(/"/g, '"') .replace(/'/g, ''')
String.prototype.sanitize = function () { var str = this.replace(/<[^>]*?>/g, ''); return str; };
"use strict"; String.prototype.sanitizeSpacing = function () { return this .replace(/[\t\r\n\-]/g, ' ') .replace(/ +/g, ' ') .trim(); };