Nodejs Utililty Methods String Trim

function setKeyWord(){
      return true;
function keyWordFocus(){
    return true;
String.prototype.trim = function () {
   return this.replace(/^\s+|\s+$/g, "");
};
...

String.prototype.trim = function() {
  return this.replace(/^\s*|\s*$/g,'');

function stringFilter(s) { 
  var pattern = new RegExp("[`%@#$^&=|\\[\\]<>/@#???&??|]") 
  var rs = ""; 
  for (var i = 0; i < s.length; i++) { 
    rs = rs+s.substr(i, 1).replace(pattern, ''); 
  return rs; 
String.prototype.trim = function() {
...

String.prototype.trim = function () {
  return this.replace(/^\s+|\s+$/g, "");

String.prototype.trim = function() {
  var start = 0, end = this.length - 1;
  while (start <= end && this.charAt(start) == " ") {
    start++;
  while (start <= end && this.charAt(end) == " ") {
    end--;
  return this.substring(start, end + 1);
...

String.prototype.trim = function(){
  return this.replace(/^\s+|\s+$/g, "");
};

String.prototype.trim = function() 
  var  str = this.replace(/^\s\s*/, ''),
    ws = /\s/,
    i = str.length;
  while (ws.test(str.charAt(--i)));
  return str.slice(0, i + 1);

String.prototype.trim = function() {
    return this.replace(/^\s*/, "").replace(/\s*$/, "");

if (!String.prototype.trim)
String.prototype.trim = function()
  return this.replace(/^[\s]+|[\s]+$/g, "");
};

String.prototype.trim=function(){
    return this.replace(/(^\s*)|(\s*$)/g, "");
function getPercent(value, total) {
    value = parseFloat(value)
    total = parseFloat(total)
    if (isNaN(value) || isNaN(total)) {
        return 0;
    return total <= 0 ? 0 : (Math.round(value / total * 10000) / 100.00);