2 days ago · Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

Recursion and stack Rest parameters and spread syntax Variable scope, closure The old "var" Global object Function object, NFE The "new Function" syntax Scheduling: setTimeout and setInterval …

Nov 1, 2021 · These comments hide JavaScript code from old browsers that didn’t know how to process the <script> tag. Since browsers released in the last 15 years don’t have this issue, this kind of …

Jun 19, 2022 · In practice, the browser provides ways to stop such loops, and in server-side JavaScript, we can kill the process. Any expression or variable can be a loop condition, not just comparisons: the …

The modern mode, "use strict" Variables Data types Interaction: alert, prompt, confirm Type Conversions Basic operators, maths Comparisons Conditional branching: if, '?' Logical operators Nullish …

Oct 14, 2022 · This example clearly demonstrates one of the main purposes of functions: to avoid code duplication. If we ever need to change the message or the way it is shown, it’s enough to modify the …

Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP. We concentrate on the language itself here, with the minimum of environment-specific notes.

Jan 10, 2021 · Let’s see an example first, to better understand what we’re talking about, and then practical applications. We’ll create a helper function curry(f) that performs currying for a two-argument f.

May 19, 2020 · Modern JavaScript supports “classes” and “modules” – advanced language structures (we’ll surely get to them), that enable use strict automatically. So we don’t need to add the "use …

Oct 1, 2022 · Recursive functions can be used to walk them as we’ve seen in the sumSalary example. Any recursive function can be rewritten into an iterative one. And that’s sometimes required to …