Nodejs Utililty Methods String Starts With

String.prototype.startsWith = function startsWith(prefix) {
  return this.indexOf(prefix) === 0;
};

String.prototype.startswith = function(entity) {
    if (!entity) return false;
    if ('string' !== typeof(entity)) return false;
    return 0 === this.indexOf(entity);
};

String.prototype.startswith = function (needle) {
   return this.indexOf(needle) === 0;
};

String.prototype.startswith = function(s) {
  return (this.match("^"+s)==s)

String.prototype.startswith = function(str)
  return this.slice(0, str.length) === str;
};

String.prototype.startswith = function(str) {
  return (this.substring(0, str.length) === str) ? true : false;

String.prototype.startWith = function(pre){
  return new RegExp("^("+pre+")(.*)").test(this);
};

String.prototype.startWith = function (s) {
    return this.indexOf(s) == 0

String.prototype.startWith = function(s) {
  if (s === null || s === "" || this.length === 0 || s.length > this.length)
    return false;
  if (this.substr(0, s.length) == s)
    return true;
  else
    return false;
  return true;

function convertParamsMapToUri(paramsMap) {
    var uri = "";
    var isFirst = true;
    for (var key in paramsMap) {
        var keyValue = key + "=" + paramsMap[key];
        if (isFirst) {
            isFirst = false;
        } else {
            uri += "&";
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