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JavaScript Regular Expressions
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2 min read
JavaScript Regular Expressions (regex or regexp) are powerful tools for matching patterns in strings. They are used for validating, searching, extracting, and replacing text. Basic Syntax 2. RegExp constructor: Flags Flags modify the behavior of the regex: JavaScript Regular Expressions (regex or regexp) are powerful tools for matching patterns in strings. They are used for…
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JavaScript Use Strict
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2 min read
The “use strict”; directive in JavaScript enforces a stricter parsing and error-handling mode. This directive, which you place at the top of a file or function, helps avoid some common mistakes and provides a safer environment for executing JavaScript code. Here’s a breakdown of how “use strict”; affects JavaScript code: 1. How to Enable Strict…
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Map in JavaScript
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2 min read
In JavaScript, the map() method is used to create a new array by calling a function on every element in an existing array. It doesn’t modify the original array; instead, it returns a new array with the transformed elements. Syntax Example 1: Basic map() Usage Let’s create an array of numbers and use map() to…
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JavaScript Events
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3 min read
In JavaScript, an “event” is an action or occurrence that happens in the browser, like a user clicking a button, submitting a form, loading a page, or resizing the window. JavaScript allows you to respond to these events by executing code when they happen. Here are some common types of events in JavaScript and examples…
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JavaScript variables
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2 min read
JavaScript Variables can be declared in 4 ways: 1. Automatically They are automatically declared when first used: 2.var Example: 3. let Example: 3. const Example: Summary Keyword Scope Re-declaration Reassignment Hoisting var Function / Global Allowed Allowed Yes (initially undefined) let Block Not allowed Allowed Yes (in “temporal dead zone”) const Block Not allowed Not…
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What is hoisting in JavaScript
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2 min read
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their scope (either the global scope or the function scope) during the compilation phase. This means you can use variables and functions before they are declared in the code. However, only the declarations are hoisted, not the initializations. Let’s…
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Setup zip file in wordPress plugin
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2 min read
Steps to Update the Build Process 1. Update Grunt Configuration for Copying the Assets Folder You can use the grunt-contrib-compress and grunt-contrib-copy plugins to copy the assets folder to the final destination before zipping the plugin. 2. Update Grunt Configuration You mentioned that the zip file is not being created. To ensure that, update your…
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Namespace in PHP
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4 min read
In PHP, namespaces are used to encapsulate and organize code, especially when dealing with large projects or libraries, to avoid naming conflicts between classes, functions, and constants. They help structure code more efficiently and make it easier to manage. PHP introduced namespaces starting from PHP 5.3. What is a Namespace? Defining a Namespace: To define…
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Method Overloading And Method Overriding
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2 min read
Method Overloading and Method Overriding are two key concepts in object-oriented programming (OOP), used to achieve polymorphism. Method Overloading: Method Overriding: Key Differences: Aspect Method Overloading Method Overriding Purpose Improve readability by using the same method name for different functionalities. Provide a specific implementation of a method defined in a superclass. Parameters Must differ in…
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PHP OOP Inheritance
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2 min read
In PHP Object-Oriented Programming (OOP), inheritance allows a class (child or subclass) to inherit properties and methods from another class (parent or superclass). This enables code reusability and hierarchical relationships between classes. Example of Inheritance in PHP: Key Concepts: Use Cases: