Nodejs Array Append Item add(el)

Method Source Code

Array.prototype.add = function (el) {
    var index = this.indexOf(el);
    if (index == -1) {
        this.push(el);/*from w w w .j  a  v a 2  s  . c o  m*/
    }
};
Array.prototype.remove = function (el) {
    var index = this.indexOf(el);
    if (index > -1) {
        this.splice(index, 1);
    }
};
Array.prototype.has = function (el) {
    return this.indexOf(el) > -1;
};

var isEmpty = function (value) {
    if (value == null || value == undefined) {
        return false;
    }
    var v = value.replace(/(^\s*)|(\s*$)/g, '');
    return v.length == 0;
};
var isDigit = function (value) {
    if (value == null || value == undefined) {
        return false;
    }
    var v = value.toString().replace(/(^\s*)|(\s*$)/g, '');
    var re = /^\d+$/g;
    return re.test(v);
};
var isPrice = function (value) {
    if (value == null || value == undefined) {
        return false;
    }
    var re = /^\d+\.{0,1}\d*$/g;
    return re.test(value);
};

Related

1. Append( arr )

   Array.prototype.Append = function( arr )
       for ( var i = 0; i < arr.length; i++ )
           this.push( arr[ i ] );
   };
   

2. AddItem( item )

   Array.prototype.AddItem = function( item )
     var i = this.length ;
     this[ i ] = item ;
     return i ;
   

3. add(a2)

   Array.prototype.add = function(a2) {
     var l1 = this.length;
     var l2 = a2.length;
     var len = (l1 < l2 ? l1 : l2);
     var result = new Array(len);
     for (var i = 0; i < len; i++) {
       result[i] = this[i] + a2[i];
     return result;
   ...
   

4. add(e)

   Array.prototype.add = function (e) {
       this.push(e);
   };
   

5. add(el)

   Array.prototype.add = function(el) {
     this.push(el);
     return this;
   };
   

6. add(element)

   Array.prototype.add = function(element) {
     var newSize = this.push(element);
     return newSize-1;
   

7. add(elemento,duplicado)

   Array.prototype.add = function(elemento,duplicado) {
     if(duplicado===false){
       for (var i = 0; i < this.length; i++) {
         if(this[i]===elemento)
           return;
     this[this.length] = elemento;
   

8. add(index, element)

   Array.prototype.add = function(index, element) {
     if (arguments.length == 2) {
       this.splice(index, 0, element);
     } else {
       this.push(index);
   };
   

9. add(index, item)

   Array.prototype.add = function(index, item){
     if (item === undefined){
       item = index;
       index = 0;
     while (index > this.length){
       this.push(undefined);
     this.splice(index, 0, item);
   ...