⤳ In this guide, you’ll learn how to do integer division in JavaScript. The division operator in JavaScript (/) divides two numbers (dividend and divisor) and returns the quotient as a floating point number (rather than the quotient and the remainder of a division separately). All numbers in ...
⤳ If you want to “replace space with dash” in PHP, you can do so with the str_replace() function. We usually replace spaces with dashes to generate a URL-friendly slug from a given string, but you might need them for other purposes. The str_replace() function accepts ...
⤳ There’s no built-in function in PHP to flatten a multidimensional array, but it’s not a difficult thing to do in PHP. In fact, it’s quite easy. We usually flatten arrays of data fetched from a database or an API. In real-world scenarios, we’d usually want ...
⤳ PHP double question marks (??) – officially known as Null coalescing operator – is a convenient alternative to ternary expressions in conjunction with isset(). You might have seen the following expression in your Laravel or PHP projects: But what do two question marks mean in PHP? ...
⤳ “Error: cannot find module” occurs when you try to load a non-existant module in Node – Either via ESM (ECMAScript Modules) or CommonJS module systems. The error usually looks like this in the console: Why does “Error: cannot find module” occur? The error “cannot find ...
⤳ The JavaScript error “TypeError: object.map is not a function” occurs when you call the map() method on a non-array object. A non-array object in JavaScript can be an object literal, a string, a Map or a Set object. Let’s see a simple example: The above code raises ...
⤳ How do you remove the last character from a string in PHP? Most web developers face it at one time or another; It can be a white space, a trailing slash in a HTTP URL, the last comma in a comma-separated list, or even a ...
⤳ This guide explores the three common ways to add commas to numbers in JavaScript. Displaying numbers – whether currency or plain numbers – in an easy-to-read format improves your HTML page content and overall user experience. We usually achieve this by using commas as thousands ...
⤳ You might have encountered the error “Uncaught SyntaxError: Unexpected end of JSON input” when using JSON.parse(). The error looks like this on the browser console (Google Chrome): First of all, it’s not your code! What’s most likely wrong is the JSON string you’re trying to parse. ...
⤳ This guide explains why ReferenceError: document is not defined occurs and how you can fix it. The most common reason for “document is not defined” error is that your JavaScript code is trying to access the document object in a non-browser environment, such as Node.js. A quick intro to ...
