JavaScript, calculate a square root using Math.sqrt()
To calculate the square root of the number in JavaScript, you can use the function Math.sqrt(). You pass in a number, and it returns the square root of this number....
JavaScript, remove last character from a string
JavaScript strings are immutable. This means that once the string was created it can鈥檛 be changed. When you need to remove the last character from a string in JavaScript, you should create a new string without this character....
How to use Promise chains in JavaScript
Asynchronous programming in JavaScript in unimaginable without Promises and Promise chains. In this tutorial you鈥檒l learn how to create JavaScript Promises, how to handle promise chains and utilise the functions Promise.all and Promise.race. ...
JS Interview #37: What is the type of a single argument provided to the split function?
What鈥檚 the output? . . . . . . . . . . . . . . . . . . In this code snipped, all the arguments provided to the function split will be collected and placed in a single array args....
140 HTML colors with HEX, RGB codes and names
With so many colors to choose from, it can be tough to decide which one to use for your website or blog. But with a little help from this list of 140 HTML colors, you can find the perfect color for your next project....
JavaScript, asynchronous programming and Promise
In this tutorial, you鈥檒l learn what are the promises in JS, which states can the JavaScript Promise be in and how to handle asynchronous errors in JS promises. ...
JavaScript setInterval, how to schedule repeated execution with the delay
Similarly to setTimeout, that executes the callback function once, you can start the repeated execution of the function in JavaScript using setInterval. Starting setInterval timer In JS, setInterval has the same params as setTimeout....
JS Interview #36: Can you add a new property to the JS array?
Does the new array property affect its length? Is such an assignment valid at all? . . . . . . . . . . . . . . ....
JavaScript setTimeout, how to delay the function execution
By default, all JavaScript code runs synchronously. This means that the statements are evaluated from top to bottom, one after another. console.log('hello'); console.log('synchronous'); console.log('world'); The strings will be printed to the console in the same order as they appear....
What is rimraf and how to use it in Node.js
The rimraf command is an alternative to the Linux command rm -rf. It allows you to do deep recursive deletion of files and folders. Global rimraf installation You can install rimraf globally using npm....