JavaScript – Page 43 – CodeRavo

Working with JSON Data in JavaScript

Understanding and Parsing JSON Data JSON (JavaScript Object Notation) is a lightweight data-interchange format that’s widely … Working with JSON Data in JavaScriptRead more

Data Format, Data Interchange, Data Parsing, data-serialization, error handling, JavaScript, JSON, JSON.parse, JSON.stringify

Converting Base64 Strings to Blobs in JavaScript

In this tutorial, we will explore how to convert a base64-encoded string into a blob object … Converting Base64 Strings to Blobs in JavaScriptRead more

base64-encoding, binary data, blobs, files, images, JavaScript

Understanding and Addressing Cross-Origin Resource Sharing (CORS)

Understanding and Addressing Cross-Origin Resource Sharing (CORS) Cross-Origin Resource Sharing (CORS) is a crucial security mechanism … Understanding and Addressing Cross-Origin Resource Sharing (CORS)Read more

API, browser, CORS, Cross-Origin Resource Sharing, HTTP, JavaScript, proxy-server, Security, server-side-configuration, web development, Web Security

Checking Key Existence in JSON Objects

JSON (JavaScript Object Notation) is a lightweight data interchange format that is widely used for exchanging … Checking Key Existence in JSON ObjectsRead more

hasOwnProperty, in operator, JavaScript, JSON, key existence, operator, typeof

Passing Variables from PHP to JavaScript: A Step-by-Step Guide

When building web applications, it’s often necessary to pass data from server-side languages like PHP to … Passing Variables from PHP to JavaScript: A Step-by-Step GuideRead more

AJAX, client-side, data attributes, JavaScript, PHP, server-side, web development

Equality and Comparison in JavaScript

In JavaScript, comparison operators are used to compare values and determine their equality or inequality. The … Equality and Comparison in JavaScriptRead more

comparison-operators, equality operators, JavaScript, loose-equality, strict equality, type coercion

JavaScript File Creation and Download: A Client-Side Approach

Introduction In modern web development, client-side applications often require functionality to generate files dynamically. JavaScript, combined … JavaScript File Creation and Download: A Client-Side ApproachRead more

blob-api, client-side-programming, file-download, JavaScript, url-createobjecturl

Handling HTML Select onChange Events

Handling changes to HTML select elements is a common requirement in web development, allowing you to … Handling HTML Select onChange EventsRead more

event handling, html-select-elements, JavaScript, jQuery, onchange-events

Understanding and Resolving "Invalid Hook Call" Errors in React

Understanding and Resolving "Invalid Hook Call" Errors in React The "Invalid hook call" error is a … Understanding and Resolving "Invalid Hook Call" Errors in ReactRead more

frontend-development, functional-components, invalid-hook-call, JavaScript, react-best-practices, react-error, react-hooks, react-tutorial, useeffect, usestate

Looping Through Arrays of Objects in JavaScript

In JavaScript, arrays are a fundamental data structure used to store collections of elements. When working … Looping Through Arrays of Objects in JavaScriptRead more

Arrays, bracket-notation, dot notation, filtering, for...of, forEach, iteration, JavaScript, looping, mapping, Objects, reducing, traditional-for-loop