Nodejs Array Zip zip(xs, ys, modify)

Method Source Code

Array.zip = function(xs, ys, modify) {
    const result = [];/*  w ww. jav a  2  s .  c om*/

    for(let i = 0; i < Math.min(xs.length, ys.length); i++) {
        result.push(modify(xs[i], ys[i]));
    }

    return result;
}

Related

1. zip()

   Array.prototype.zip = function() {
       return this.map((value, index, arr) => {
           return arr.map((val, idx, array) => {
               return val[index];
           });
       });
   };
   

2. zip(arr, selector)

   Array.prototype.zip = function (arr, selector) {
     return this
     .take(Math.min(this.length, arr.length))
     .select(function (t, i) {
       return selector(t, arr[i]);
     });
   };
   

3. zip(callback)

   Array.prototype.zip = function (callback) {
       callback = callback || function (data) {
           return data;
       return this.map(callback);
   var arr = [4, 9, 16, 25];
   console.log(
       arr.zip(function (data) {
   ...
   

4. zip(callback)

   Array.prototype.zip = function (callback) {
       callback = callback || function (data) {
           return data;
       return this.map(callback);
   

5. zip(left, right, combinerFunction)

   Array.prototype.zip = function(left, right, combinerFunction) {
     var counter;
     var results = [];
     for(counter = 0; counter < Math.min(left.length, right.length); counter++) {
       results.push(combinerFunction(left[counter],right[counter]));
     return results;
   };