What is the difference between using the delete operator on the array element as opposed to using the Array.splice method?   For example:  myArray = ['a', 'b', 'c', 'd'];  delete myArray[1]; //  or myArray.splice (1,...

I'm attempting the following:  var a1 = ['a', 'e', 'f'];  // [a, e, f] var a2 = ['b', 'c', 'd'];  // [b, c, d] a1.splice(1, 0, a2);       // expected [a, b, c, d, e, f]                            //...

I just want to confirm if the following two Javascript statements produces the same results, as it seems to me:  First:  var element = my_array.splice(0,1)[0];   Second:  var element = my_array.shift();   I want to substitute the first by the second,...

I've been trying to implement a function where given with two arrays,  array1's elements is used as conditions to filter out elements in array2.  For instance:  array1= [apple, grapes, oranges]  array2= [potato, pears, grapes, berries, apples...

In the CoffeeScript docs for array splicing, what is the purpose of the trailing , _ref?  CoffeeScript:  numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] numbers[3..6] = [-3, -4, -5, -6]   Compiles to:  var numbers, _ref; numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8...

I've been working for a while on this function but i cannot figure out why even if I'm using .splice() I don't get a modified array. I'm providing the index at which to start changing the array "i", the number of elements to r...

Altough searched everywhere, could not find a solution  I have a problem with deleting the CORRECT row from the list.   For example I have below array:  $scope.rows = [{         "ID": 12,         "customer": "abc",         ...

var newlist = list.slice( 0, pos ).concat( tasks ).concat( list.slice( pos ) );   This makes me shudder just looking at it....

I have following code:  var a = [{a: 1}, {a: 2}, {a: 3}]; a.map(function (item, index) {   console.log('call');   if (index < 1) {     a.splice(index, 1);   } });   But call is printed only two times, and I expect to be printed three times...

Suppose I have an array like this:  myArray = ["a","b","c","d","e"]   And I want to loop through it to find specific values and remove them.  for(var i=0;i<myArray.length;i++){     if(myArray[i] == "b...