Tuesday, August 26, 2025

Rob Gravelle

Rob Gravelle resides in Ottawa, Canada, and has been an IT guru for over 20 years. In that time, Rob has built systems for intelligence-related organizations such as Canada Border Services and various commercial businesses. In his spare time, Rob has become an accomplished music artist with several CDs and digital releases to his credit.
376 articles written

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Calling Object Methods in JavaScript

Calling an JavaScript Object's methods is not...

An In-Depth Look at Client-side Validation Libraries

Some Client-side Validation Libraries Validation is one of...

RangeError, TypeError, and URIError JavaScript Error Types

The RangeError, TypeError, and URIError JavaScript Error...

Write a Statement Parser in JavaScript

In the last few weeks, I've come...

Variable Naming Conventions in JavaScript

Have you ever noticed that every programming...

Some JavaScript Object Prototyping Patterns

JavaScript developers have several options for creating...

Tips for Crafting Helpful Validation Messages

In The Three Models of Web Form...

Handling JavaScript Errors by Type

There are four major error types in...

Guide to the SyntaxHighlighter JavaScript Library

Guide to the SyntaxHighlighter JavaScript Library SyntaxHighlighter is...

Display Images in Black & White Using the HTML5 Canvas

The HTML5 canvas is a bitmap element...

Calling Parent Methods in JavaScript

One of the big differences between Classical...

An Intro to Node.js

Node.js is part runtime environment and part...

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