Nodejs Array Different diff(a)

Method Source Code

Array.prototype.diff = function(a) {
    return this.filter(function(i) {return a.indexOf(i) < 0;});
};
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] === obj) {
            return true;
        }/*ww w.java  2s .c  o  m*/
    }
    return false;
};

function sym(args) {
  
   var a = args[0].diff(args[1]).concat(args[1].diff(args[0]));  
  
   var b = args[0].filter(function(n) {
     return args[1].indexOf(n) != -1;
   });
 
  return a;
}

sym([1, 2, 3], [5, 2, 1, 4]);

Related

1. diff(a)

   Array.prototype.diff = function(a) {
       return this.filter(function(i) {return a.indexOf(i) < 0;});
   };
   

2. diff(a)

   Array.prototype.diff = function (a) {
       return this.filter(function (e) { return a.indexOf(e) === -1 });
   };
   

3. diff(a)

   module.exports = {
       findMissing :function (a,b){
               if(a.length === b.length) return 0;
               if(a.length < b.length) return b.diff(a)[0];
               return a.diff(b)[0];
   };
   Array.prototype.diff = function(a) {
       return this.filter(function(i) {return a.indexOf(i) < 0;});
   ...
   

4. diff(a)

   Array.prototype.diff = function(a) {
       return this.filter(function(i) {return a.indexOf(i) < 0;});
   };
   function diffArray(arr1, arr2) {
     var newArr = [];
     newArr = arr2.diff(arr1);
     return arr1.diff(arr2).concat(arr2.diff(arr1));
   console.log(diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]));
   ...
   

5. diff(a)

   Array.prototype.diff = function(a) {
     return this.filter(function(i) {return !(a.indexOf(i) > -1);});
   };
   

6. diff(a)

   function getSrv(name) {
     return angular.element(document.body).injector().get(name);
   function isNumeric(n) {
     return !isNaN(parseFloat(n)) && isFinite(n);
   function inArray(needle, haystack) {
       var length = haystack.length;
       for(var i = 0; i < length; i++) {
   ...
   

7. diff(a, k)

   Array.prototype.diff = function (a, k) {
     return this.filter (function (i) { return a.column (k).indexOf (eval ("i." + k)) < 0; });
   };
   

8. diff(arr)

   Array.prototype.diff = function (arr) {
           var mergedArr = this.concat(arr);
           return mergedArr.filter(function (e) {
               return mergedArr.indexOf(e) === mergedArr.lastIndexOf(e);
           });
   };
   

9. diff(array)

   Array.prototype.diff = function(array){
     return this.filter(function(i) {
       if(array){
         return !(array.indexOf(i) > -1)
     })