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Tutorials, guides and expert articles.
Use .indexOf() to find a String in a String in JavaScript
Learn how to find a string inside a string using indexOf in JavaScript, combined with the bitwise operator and looking at -1 results.
Todd Motto
Apr 14, 2020
Exploring Array ForEach in JavaScript
Array ForEach is the entry-level loop tool that will iterate over your array and pass you each value (and its index). You could render the data to ...
Todd Motto
Apr 9, 2020
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Exploring Array Reduce in JavaScript
Array Reduce is the most misunderstood array method! Pay close attention to the little details and you’ll succeed with Reduce. The concept of Reduc...
Todd Motto
Apr 8, 2020
Exploring Array Find in JavaScript
Array Find searches your array and returns you the first matching element, or undefined. Find’s return value is dynamic and could be of any JavaScr...
Todd Motto
Apr 6, 2020
Exploring Array Every in JavaScript
Array Every tells you whether every element in your array passes your test. If every element passes, Every returns true. If just one element in the...
Todd Motto
Apr 5, 2020
Exploring Array Some in JavaScript
Array Some tells you whether any element in your array passes your test. If one element passes then Array Some returns true. Some will return false...
Todd Motto
Mar 26, 2020
Exploring Array Filter in JavaScript
Array Filter allows us to conditionally return certain elements from our array, into a new array. It’s commonly used to remove items from an array ...
Todd Motto
Mar 25, 2020
Exploring Array Map in JavaScript
Array Map allows us to loop our array, access each value and return a new value for each iteration - which in turn creates a new array.
Todd Motto
Mar 24, 2020
Removing Items from an Array in JavaScript
In this article, we’ll explore a few different ways to remove an item from an array in JavaScript. I will also show you mutable and immutable opera...
Todd Motto
Mar 12, 2020
Angulars NgIf, Else, Then - Explained
Let’s look at the NgIf directive in this tutorial and uncover how to use it. We’ll also explore using NgIf with the “Else” statement and “Then”, to...
Todd Motto
Feb 20, 2020
Getting the Value of Checked Radio Buttons
In this post you’ll learn a few ways to get the selected value of a radio input (<input type="radio">) and look at different ways of achievin...
Todd Motto
Feb 18, 2020
