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JavaScript blogs

Comprehensive guides to mastering JavaScript and beyond.

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Mastering the Module Pattern

I’m a massive fan of JavaScript’s Module Pattern and I’d like to share some use cases and differences in the pattern, and why they’re important. Th...

Todd Motto

Todd Motto

Jan 29, 2014

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Avoiding anonymous JavaScript functions

Anonymous functions, the art of the callback. I’m going to propose that you never write a callback again using an anonymous function, and I’ll sell...

Todd Motto

Todd Motto

Jan 19, 2014

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Everything you wanted to know about JavaScript scope

The JavaScript language has a few concepts of “scope”, none of which are straightforward or easy to understand as a new JavaScript developer (and e...

Todd Motto

Todd Motto

Dec 29, 2013

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Stop toggling classes with JS, use behaviour driven DOM manipulation with data-states

Using a class to manipulate the DOM? What about this idea. Using classes have many issues, the main one for me is that adding classes to elements t...

Todd Motto

Todd Motto

Dec 17, 2013

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A comprehensive dive into NodeLists, Arrays, converting NodeLists and understanding the DOM

Manipulating the DOM is JavaScript’s role when developing websites and applications, and we do this by grabbing collections of elements called Node...

Todd Motto

Todd Motto

Dec 12, 2013

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Vault.js, HTML5 local session Web Storage API with automatic JSON support

Vault is a 0.6KB standalone HTML5 (local/session) Web Storage API with automatic JSON support. Web Storage only accepts a String as value of an Obj...

Todd Motto

Todd Motto

Dec 7, 2013

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Smarten your front-end workflow with @conditionizr, screencast on all the APIs

Who’s using Conditionizr? So far we’ve found some teams at Google, Sencha, NASA are some great names using it.

Todd Motto

Todd Motto

Nov 26, 2013

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Apollo.js, standalone class manipulation API for HTML5 and legacy DOM

Apollo is a <1KB standalone DOM class manipulation API for adding, removing, toggling and testing the existence of classes on an element. Apollo...

Todd Motto

Todd Motto

Nov 9, 2013

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Understanding Regular Expression matching with .test, .match, .exec, .search and .split

Regular Expressions, often noted as RegEx or RegExp, are seen and used pretty much everywhere in JavaScript. I use them all the time and you’ve pro...

Todd Motto

Todd Motto

Oct 29, 2013

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NoFi, detecting no WiFi, callbacks for offline states with HTML5

An HTML5 API buried inside the navigator Object called onLine is where the inspiration for this little tool came from. NoFi detects no WiFi (yes, i...

Todd Motto

Todd Motto

Oct 28, 2013

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Hacking SVG, traversing with ease - addClass, removeClass, toggleClass functions

Update: I’ve turned this into a small JavaScript module named Lunar and pushed to GitHub, please use that code instead as it doesn’t extend native ...

Todd Motto

Todd Motto

Oct 27, 2013