Nodejs Utililty Methods Array Unshift

List of utility methods to do Array Unshift

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Description

The list of methods to do Array Unshift are organized into topic(s).

Method

unshift()
Array.prototype.unshift = function(){
   [].splice.apply(this, [0, 0].concat([].slice.apply(arguments)));
   return this.length;
};
unshift(data)
Array.prototype.unshift = function(data) {
  for(var i = this.length; i > 0; i--) {
    this[i] = this[i-1];
  this[0] = data;
  return this.length;
};
unshift(elem)
Array.prototype.unshift = function(elem) {
  for (var i = this.length; i > 0; i--) {
    this[i] = this[i - 1];
  this[0] = elem;
  return ++this.length;
};
unshiftMe(num)
Array.prototype.unshiftMe = function (num) {
  this[this.length] = this[this.length-1];
  for (var i = this.length-1; i >= 1; i--) {
    this[i] = this[i-1];
  this[0] = num;
  return this.length;
unshiftRange(arr)
Array.prototype.unshiftRange = function(arr) {
    this.unshift.apply(this, arr);
};