Defer a JavaScript function
Defer the invocation of a function until the current call stack has been cleared.
Code Articles
30 seconds of code contains a curated collection of code articles covering a wide range of development needs. The collection spans many topics, ranging from simple coding problems to theoretical concepts and development techniques.
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JavaScript · -
JavaScript · How to calculate date difference in JavaScript
Learn how to calculate date difference in seconds, minutes, hours, days etc. in vanilla JavaScript.
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JavaScript · Implement the Caesar cipher in JavaScript
The Caesar cipher is a simple substitution cipher, which can be easily implemented with a few lines of JavaScript code.
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JavaScript · Bucket sort
Sort an array of numbers, using the bucket sort algorithm.
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JavaScript · Asynchronous JavaScript Cheat Sheet
Learn everything you need to know about promises and asynchronous JavaScript with this handy cheatsheet.
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JavaScript · Introduction to arrow functions in JavaScript
JavaScript arrow functions are a very useful tool to learn and master. Here's a complete introduction to everything you need to know.
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JavaScript · Sampling, shuffling and weighted selection in JavaScript arrays
Learn how to shuffle, sample and perform weighted selection on JavaScript arrays.
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CSS · CSS Reset
A short, opinionated CSS reset to make your websites look great everywhere.
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CSS · Input with prefix
Ever wanted to create an input with a visual, non-editable prefix? CSS can help you with that!
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React · Writing readable reducers in Redux
When working with stateful code, you can run into issues realted to complexity and readability. Oftentimes, they are easily fixable.
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JavaScript · Programmatically trigger event on HTML element using JavaScript
Learn how to trigger an event on an HTML element using JavaScript.
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JavaScript · Remove attributes from an HTML element with JavaScript
A simple trick to remove one or more attributes from an HTML element.
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JavaScript · How can I detect if Caps Lock is on with JavaScript?
If you need to check if Caps Lock is on when the user is typing in the browser, JavaScript's got you covered.
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JavaScript · A cautionary tale about JavaScript callbacks
JavaScript callbacks are especially tricky when you're not careful. Take a deeper dive into potential issues and how to avoid them.
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JavaScript · Min and max value of a JavaScript array
When working with JavaScript arrays, you might need the minimum or maximum value. Here are a few quick and easy ways to do it.
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CSS · Image with text overlay
Learn how to create an image with a text overlay using CSS.
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CSS · Image rotate on hover
Zoom in and rotate your images on hover and make them stand out.
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CSS · Card with image cutout
Cutout effects seem tricky to implement, but they really aren't. CSS has you covered!
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React · Breaking React - a common pattern to avoid
As powerful as React is, it is also quite fragile at places. Did you know that a few lines can easily break your entire React application?
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JavaScript · Toggle element in a JavaScript array
Remove an element from an array if it's included in the array, or push it to the array if it isn't.
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JavaScript · Convert an RGB color string to a JavaScript array or object
Easily convert an
rgb()color string to an array of values or an object with the values of each color. -
JavaScript · An Introduction to JavaScript Proxy
A quick introduction to the JavaScript Proxy object and where it can be used.
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JavaScript · Nest linked JavaScript objects
Learn how to recursively nest objects linked to one another in a flat array.
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JavaScript · Make any JavaScript value iterable
Did you know you can define an iterator for any JavaScript value? This quick tip will show you how.