function ArrayPush() {
  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.push");

  var array = TO_OBJECT(this);
  var n = TO_LENGTH(array.length);
  var m = arguments.length;

  // Subtract n from kMaxSafeInteger rather than testing m + n >
  // kMaxSafeInteger. n may already be kMaxSafeInteger. In that case adding
  // e.g., 1 would not be safe.
  if (m > kMaxSafeInteger - n) throw MakeTypeError(kPushPastSafeLength, m, n);

  for (var i = 0; i < m; i++) {
    array[i+n] = arguments[i];
  }

  var new_length = n + m;
  array.length = new_length;
  return new_length;
}
function ArrayPush() {
  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.push");

  var array = TO_OBJECT(this);
  var n = TO_LENGTH(array.length);
  var m = arguments.length;

  
  
  
  if (m > kMaxSafeInteger - n) throw MakeTypeError(kPushPastSafeLength, m, n);

  for (var i = 0; i < m; i++) {
    array[i+n] = arguments[i];
  }

  var new_length = n + m;
  array.length = new_length;
  return new_length;
}
function ArrayPush ( ) { CHECK_OBJECT_COERCIBLE ( this , "Array.prototype.push" ) ; var array = TO_OBJECT ( this ) ; var n = TO_LENGTH ( array . length ) ; var m = arguments . length ; // Subtract n from kMaxSafeInteger rather than testing m + n > // kMaxSafeInteger. n may already be kMaxSafeInteger. In that case adding // e.g., 1 would not be safe. if ( m > kMaxSafeInteger - n ) throw MakeTypeError ( kPushPastSafeLength , m , n ) ; for ( var i = 0 ; i < m ; i ++ ) { array [ i + n ] = arguments [ i ] ; } var new_length = n + m ; array . length = new_length ; return new_length ; }
Appends the arguments to the end of the array and returns the new length of the array. See ECMA-262, section 15.4.4.7.
Appends the arguments to the end of the array and returns the new length of the array . See ECMA - 262 section 15 . 4 . 4 . 7 .