Javascript String trunc(n)

String.prototype.trunc = function(n) {
  'use strict';//from   w ww .  j a  v  a 2s . c  o  m
  return this.length > n ? this.substr(0, n-1) + '...' : this;
};

String.prototype.trunc = function(n){
  return this.substr(0,n-1)+(this.length>n?' ...':'');
};

String.prototype.trunc = function(n){
   var isTooLong = this.length > n;
   var string = isTooLong ? this.substr(0,n) : this;
   string = isTooLong ? string.substr(0, string.lastIndexOf(' ')) : string;
   return  isTooLong ? string + '...' : string;
};

String.prototype.trunc = String.prototype.trunc || function(n){
    return this.length>n ? this.substr(0, n-1) + '...' : this;
};

function inArray(needle, haystack) {
    var length = haystack.length;
    for(var i = 0; i < length; i++) {
        if(haystack[i] == needle) return true;
    }//w  ww  . jav a  2  s  .  com
    return false;
}
function clone(obj) {
    var target = {};
    for (var i in obj) {
        if (obj.hasOwnProperty(i)) target[i] = obj[i];
    }
    return target;
}