Nodejs Array Get get(i)

Method Source Code

/**/*from  w w  w . j a  va 2  s  .  c o m*/
 * Array element accessor supporting negative indices,
 * as with jQuery objects and most Python sequence types.
 */
Array.prototype.get = function(i)
{
    if (i < 0)
    {
        return this[this.length + i];
    }
    else
    {
        return this[i];
    }
};

Related

1. get( property, value )

   Array.prototype.get = function( property,  value )
     for(var i = 0; i < this.length; i++)
       if( this[i][property] == value ) return this[i];
     return null;
   };
   

2. get(i)

   if(typeof console !== "object") {
     console = {};
   if(typeof console.log !== "function") {
     console.log = function() {};
   if(typeof console.assert !== "function") {
     console.assert = function() {};
   Array.prototype.get = function(i) {
     if(this.length === 0) {
       console.log("Tried to get value from 0-length array");
       return undefined;
     return this[this.normalizeIndex(i)];
   Array.prototype.normalizeIndex = function(i) {
     if(this.length === 0) {
       console.log("Tried to normalize index of 0-length array");
       return undefined;
     while(i < 0) {
       i += this.length;
     return i % this.length;
   function isApproxEqual(a, b) {
     var epsilon = 1e-4;
     return (a + epsilon >= b) && (a - epsilon <= b);
   

3. get(idx)

   Array.prototype.get = function(idx) {
     return this[idx];
   };
   

4. get(index)

   Array.prototype.get = function(index) {
     return this[index];
   };
   Array.prototype.set = function(index, value) {
     this[index] = value;
   };
   

5. get(index)

   Array.prototype.get = function (index) {
       if ((index < this.length) && (index >= 0)) {
           return this[index];
       return false;
   };