Pt 9:JavaScript for loop and arrays | Web Development & How to Code | Random Content Generator

Publicado em: 23 Agosto 2025
no canal de: DisruptApps

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Learn coding by doing! No JavaScript experience? No problem! In Part 9, we will go over the basics of for loops, learn about iteration, understanding the for loop syntax, learn about arrays, indexes, how to loop through arrays and how to properly use the JavaScript .length properly in a loop

I am in no way affiliated with w3schools but I really love their straightforward website and approach to learning code on your own.
www.w3schools.com

JavaScript
www.w3schools.com/js/

Arrays
www.w3schools.com/js/js_arrays.asp

for loop
www.w3schools.com/js/js_loop_for.asp

Operators
www.w3schools.com/js/js_operators.asp

Parameters & Arguments
www.w3schools.com/js/js_function_parameters.asp

Scope
www.w3schools.com/js/js_scope.asp

0:00 Intro/ Review
1:29 Intro to for loop
4:49 Iterate/ Iteration
5:18 Understanding How for loop Syntax Works
11:49 Intro to Arrays
14:43 Declaring & Constructing an Array
17:20 Accessing Array Indexes
19:31 Using for loop with an Array
21:04 JavaScript Length property
27:29 Using .length Property Properly w/ Loops
36:05 Math Example Using for loop & array
39:11 Be Mindful of Significant Digits/ Zeros with JavaScript Numbers

Shawna from DisruptApps

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