What would be the equivalent of this without using a for loop?  Unsure what array method to use  function func(x){     var y = [];     for(i=0;i<x.length;i++){         y.push(x[i]);         y.push(x[i]);     }     return y; }  var input = [1,2,3,4...
This is my Code. Where I want to Pass the Values of kvArray to Second Array.  var kvArray = [{key: 1, value: 10},                 {key: 2, value: 20},                 {key: 3, value: 30}];  var reformattedArray = kvArray.map(obj => {     var paylo...
I have an object that contains an array and a couple of other values that I need to pass to the backend, but the backend needs to receive it as an array of objects. I fill in an array ($scope.student) by using checkboxes and the other values (docenti...
In my function I have the following variable:  const updatedData = data.map(elements => {   return {...elements, information: {programs: elements.programs.map(program => {     return {...program, pids: program.pids.map(pid => {       return...
I have shopping Application in REACT js. Im displaying all products using .map() function, and also showing "ADD to CART" button  infront of each product. When ADD to Cart btn is clicked, it adds the clicked product ID in local storage then I...
I have this function which works perfectly in Chrome and Firefox, but returns a SyntaxError: Unexpected token '>' in Safari / Webkit.  What would the Safari-safe way of writing this function be?  data = _.each(data, obj =>  {      _.map...
In Javascript, how to map and convert this object:    {     0: {k1 : v1},     2: {k2 : v2}   }   to this array:  [     {         label: k1,         value: v1     },     {         label: k2,         value: v2     } ]   obs.: one-liners are nice, but a...
I have  div element which I want to render several times for each element of the array in React. Right now I am rendering a component using the map method but how to render a div in that manner. This is how I render the component  <div class="...
I have a csv file with a network data that looks like this:  node,edges,centrality_degree 1,"[(1, 2), (1, 3), (1, 4), (1, 5)]",1.0 2,"[(2, 1), (2, 3), (2, 4), (2, 5)]",1.0 3,"[(3, 1), (3, 2), (3, 4), (3, 5)]",1.0 4,"[(4, 1...
Say we have  var i = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];   and want to reduce() it like  var plus = function(a, b) {   return a + b; };  var s = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]   .reduce(plus);  console.log(s);   Now, I want to compose reduce() function i...

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