Welcome to a quick tutorial on how to create a grid in Javascript. Need to display some data in a nice grid? Gone are the good old days where we have to use crazy tables and CSS hacks. To create a grid in Javascript: Define an HTML grid container. <div id=”grid”></div> #grid { display: grid; grid-template-columns: …
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Welcome to a tutorial and example on how to use Javascript workers. So you have heard of Javascript workers and their “threading powers”. But just how do we create and use Javascript workers? Using Javascript workers is somewhat similar to performing an AJAX call to a server-side script. We send data to a worker to …
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Welcome to a quick tutorial on how to display error messages in Javascript. Just started with Javascript and wondering where the error messages went? Or looking for ways to better deal with error notifications? The common ways to show error messages in Javascript are: Error messages will show in the developer’s console by default. In …
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Welcome to a tutorial on how to create a Hangman game with Javascript. So you are interested in learning how to create a game with Javascript, or maybe just forced to do so in a school project. 😆 Well, although it does require quite some time, it really isn’t that difficult to create one – …
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Welcome to a quick tutorial and examples on how to write files in NodeJS. Want to create, write, and append to files in NodeJS? It is sadly not that straightforward. The common ways to write a file in NodeJS are: Write and append to files asynchronously. require(“fs”).writeFile(“FILE.TXT”, “TEXT”, (err)=>{}); require(“fs”).appendFile(“FILE.TXT”, “TEXT”, (err)=>{}); Write and append …
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So you are looking for ways to check the Javascript version, add some compatibility checks to your project? “Javascript version” can refer to any of the following in the modern-day: ECMA International now handles the recommended standards for the development of Javascript – ECMAScript 1st edition (ES1), ECMAScript 2nd edition (ES2), etc… Every company has …
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Welcome to a tutorial on how to create and save files in Javascript. Well, this will be kind of a complicated process for beginners. To keep things simple – Saving files on server-side NodeJS is a breeze, but it is tricky to directly save files on the client-side because of security restrictions. That said, there …
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Welcome to a tutorial on how to create a simple quiz using Javascript. So you have mastered the ways of “hello world”, and looking for the next piece of the action? A simple quiz is a good place to start, and let us walk through an example in this guide – Read on! ⓘ I …
Welcome to a quick tutorial and examples on how to read files in NodeJS. Reading files, just how difficult can it be? Well, brace yourselves. It’s not that straightforward apparently. The common ways to read files in NodeJS are: To read the entire file into a string asynchronously – require(“fs”).readFile(“FILE.TXT”, “utf8”, (err, data) => { …
5 Ways To Read Files In NodeJS (To String, Line-by-Line, Array) Read More »
Welcome to a quick tutorial on how to add elements to a Javascript array. New to Javascript and the whole array thing? Yes, creating a new array is straightforward, but it can be quite confusing when it comes to adding elements to an existing one. There are a couple of different ways to add elements …
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