Nodejs Array Remove From To remove(from, to)

Method Source Code

Array.prototype.remove = function(from, to) {
    var rest = this.slice((to || from) + 1 || this.length);
    this.length = from < 0 ? this.length + from : from;
    this.push.apply(this, rest)//w  w  w  . j a v  a 2s  .c om
    return this;
};

function permutate(n, a) {
  if (a.length === 0) {
     all.push(n);
  }

  else {
     for(var i = 0; i < a.length; i++) {         
         var n_new = n.slice(0);
         n_new.push(a[i]);
         permutate(n_new, a.slice(0).remove(i,i));
     }
  }
}

var all = [];
permutate([], [1, 2, 3, 4]);

for(var i = 0; i < all.length; i++) {
    console.log(all[i]);
}

Related

1. remove(from, to)

   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };
   var RAD2DEG = 180/Math.PI;
   var DEG2RAD = 1/RAD2DEG;
   

2. remove(from, to)

   Array.prototype.remove = function(from, to) {
       var rest = this.slice((to || from) + 1 || this.length);
       this.length = from < 0 ? this.length + from : from;
       return this.push.apply(this, rest);
   };
   

3. remove(from, to)

   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };
   

4. remove(from, to)

   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };
   function str2list(s){
       if (s) {
           a = s.split(",");
           for (i = 0; i < a.length ; i++) { if (! a[i]) { a.pop(i); } }
   ...
   

5. remove(from, to)

   'use strict';
   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };
   

6. remove(from, to)

   Array.prototype.remove = function(from, to) {
       var rest = this.slice((to || from) + 1 || this.length);
       this.length = from < 0 ? this.length + from : from;
       return this.push.apply(this, rest);
   };
   function contains(array, string) {
       for (i = 0; i < array.length; i++) {
           if (array[i] == string) {
               return true;
   ...
   

7. remove(from, to)

   'use strict';
   var VERSION = '0.1b';
   Array.prototype.remove = function(from, to) {
       var rest = this.slice((to || from) + 1 || this.length);
       this.length = from < 0 ? this.length + from : from;
       return this.push.apply(this, rest);
   };
   

8. remove(from, to)

   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };
   Array.remove = function(array, from, to) {
     var rest = array.slice((to || from) + 1 || array.length);
     array.length = from < 0 ? array.length + from : from;
     return array.push.apply(array, rest);
   ...
   

9. remove(from, to)

   Array.prototype.remove = function(from, to) {
     if (this.length > 0) {
       var rest = this.slice((to || from) + 1 || this.length);
       this.length = from < 0 ? this.length + from : from;
       return this.push.apply(this, rest);
     } else {
       console.log("length is zero");
   };
   ...