How can I loop through all the entries in an array using JavaScript?  I thought it was something like this:  forEach(instance in theArray)   Where theArray is my array, but this seems to be incorrect....

I have an object which has inner objects and properties defined like this:  var obj = {obj1 : { "prop1" : "nothing", "prop2" : "prop"},         obj2 : {"prop1" : "nothing", "prop2" : "prop...

Say you have a javascript object like this:  var data = { foo: 'bar', baz: 'quux' };   You can access the properties by the property name:  var foo = data.foo; var baz = data["baz"];   But is it possible to get these values...

How can I loop through all the entries in an array using JavaScript?  I thought it was something like this:  forEach(instance in theArray)   Where theArray is my array, but this seems to be incorrect....

Given an array having .length 100 containing elements having values 0 to 99 at the respective indexes, where the requirement is to find element of of array equal to n : 51.   Why is using a loop to iterate from start of array to end faster than itera...

Have been facing issue while iterating through a list and printing elements in React.  The React Code is:  import React from 'react'; import ReactDOM from 'react-dom';  class NewComponent extends React.Component {     constructor(prop...

I am having a problem with my code, I have not been able to figure it out for the past 2 days.   /**  *   *///function 7 /**  * returns the number of times that pattern occurs in string   */     function score(string,pattern) {         var v = string...

I have a variable, which, when printed to console, looks like this:  Object { PK-34={...}, PK-35={...}}   I'm adding a size method to this variable:  Model_value.size = function(obj) {     var size = 0, key;     for (key in obj) {     if (obj.has...

I am trying to create a simple function that replaces all instances of a certain character in a string in JS. In this instance, I want to replace all a's with o's.   I am pretty sure the code is right, but the output is still the original str...

I'm trying to cycle iterate through an array by using a 'previous' and 'next' button, respectively moving through the array.  It works fine until you change 'direction' and try say, for example 'next' then 'pre...