Nodejs Array Value allValuesSame()

Method Source Code

Array.prototype.allValuesSame = function() {
    for(var i = 1; i < this.length; i++)
    {/*from w  w w.ja v  a  2s . c om*/
        if(this[i] !== this[0])
            return false;
    }

    return true;
}

Related

1. aggregate(initialValue, aggregateItemCallback)

   Array.prototype.aggregate = function (initialValue, aggregateItemCallback) {
     var result = initialValue; 
     this.each(function (item) {
       result = aggregateItemCallback(result, item);
     })
     return result;
   

2. allValuesSame()

   Array.prototype.allValuesSame = function() {
     for(var i = 1; i < this.length; i++)
       if(this[i] !== this[0])
         return false;
     return true;
   

3. allValuesSame()

   var canvas = {};
   Array.prototype.allValuesSame = function() {
     for(var i = 1; i < this.length; i++) {
         if(this[i] !== this[0])
             return false;
     return true;
   

4. byField(field, value)

   Array.prototype.byField = function(field, value) {
     return this.filter(function ( obj ) {
       return obj[field] == value;
     })[0]
   

5. defaultIfEmpty(val)

   Array.prototype.defaultIfEmpty = function (val) {
     return this.length == 0 ? [val == null ? null : val] : this;
   };