Starting with ES13/ES2022, you can make any static class method private by prefixing the method name with # (hash symbol). For example: // ES13+ class Foo { static publicMethod() { return Foo.#privateMethod(); } static #privateMethod() { return 'foobar'; } } console.log(Foo....
When learning how to make a quiz in HTML and JavaScript, it’s important to understand how the HTML structure interacts with the JavaScript logic. So, as the first step, let’s set up the HTML structure of our JavaScript quiz game.A <div> to hold the quiz. A <button> to submit the...
Try to Overload a Function in JavaScript JavaScript does not allow overloading a function. Instead, it will override the function. We will create two functions named sum to add different numbers of parameters. function sum(i, j, k) { return i + j + k; } function sum(i, j) { retur...
To make a GET request using Axios, you need to provide the URL from which the data is to be read or fetched to the url property, and the string "get" to the method property in the config object: // send a GET request axios({ method: 'get', url: 'api/items' }); This code ...
Themap()method creates a new array with the results of a function call on each element in the array. For an example of how to use the iteration methodmap(), we can print each iteration of a loop to the console.map()does not mutate the original array, it instead returns a new ...
Let us see some examples of using the find method! Find an object on a fixed criterion We have a tasks array as shown in the listing below: var tasks = [ { 'Id': '1', 'Title': 'Go to Market 99', 'Status': 'done' }, ...
Invoking function in JavaScript: Here, we are going to learn how to invoke a function call in JavaScript?
In JavaScript, the filter() method uses a callback function or arrow function to iterate through each element in an existing array, and only returns the ones that pass the specified test/conditions. Elements that pass are then placed into a new array.Using filter() doesn’t change the origi...
The JavaScript btoa() method performs base64 encoding by converting a binary string to a Base64-encoded ASCII string. It can only encode characters within the 0-255 range, which corresponds to a single byte (8-bit) in the ASCII or Latin-1 character sets. If you pass a string to the ...
A sleep() function is used to pause the execution of a program for a certain amount of time. JavaScript does not have a built-in sleep() function, but using the setTimeout() method in JavaScript can achieve the same goal to delay code execution. ...