Function composition in JavaScript
Understand the basics of function composition, a fundamental concept in functional programming.
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 · Calculate the Levenshtein distance between two strings in JavaScript
Implement the Levenshtein distance algorithm in JavaScript to calculate the difference between two strings.
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JavaScript · Calculate the quotient and remainder of a division in JavaScript
Implement Python's
divmod()built-in function in one line of JavaScript. -
JavaScript · Generate a UUID in JavaScript
Generate a UUID in JavaScript using native APIs in both the browser and Node.js.
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JavaScript · Initialize a JavaScript array with a sequence of generated values
Ever wanted to initialize an array with a sequence of generated values? Here's a few ways to do it.
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JavaScript · How can I initialize 2D array in JavaScript?
Learn how to initialize a 2D array in JavaScript in a handful of different ways.
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JavaScript · Initialize a JavaScript array with the specified values
Initialize and fill a JavaScript array with the specified values, quickly and easily.
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JavaScript · Initialize a JavaScript array with a given numeric range
Learn how to create an inclusive array with numbers in a range, using a common
stepdifference. -
JavaScript · How to encode and decode strings with Base64 in JavaScript
Encode and decode strings with Base64 in JavaScript easily with these code snippets.
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JavaScript · Remove the first or last n elements from a JavaScript array
Master JavaScript array element removal with these simple techniques.
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CSS · How can I create a circular progress bar using only CSS?
Circular progress bars are fairly common in the web. Luckily, some new CSS features make it easier than ever to create them.
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JavaScript · A complete guide to JavaScript typechecking
Learn all you need to know to effectively and efficiently typecheck values in JavaScript.
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JavaScript · How can I check if a value implements a stream in Node.js?
Learn how to type check for different types of streams in Node.js.
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JavaScript · Check if a string is uppercase or lowercase in JavaScript
Use these simple tricks to check if a string is uppercase or lowercase in JavaScript.
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JavaScript · How can I calculate the greatest common divisor & least common multiple in JavaScript?
Use JavaScript to calculate the greatest common divisor and least common multiple of two or more numbers.
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JavaScript · Calculate the Euclidean distance in JavaScript
Use JavaScript's
Math.hypot()to calculate the Euclidean distance between two points. -
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 · Heap sort
Sort an array of numbers, using the heapsort algorithm.
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JavaScript · Selection sort
Sort an array of numbers, using the selection sort algorithm.
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JavaScript · Quick sort
Sort an array of numbers, using the quicksort algorithm.
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JavaScript · Bucket sort
Sort an array of numbers, using the bucket sort algorithm.
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JavaScript · Merge sort
Sort an array of numbers, using the merge sort algorithm.
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JavaScript · Insertion sort
Sort an array of numbers, using the insertion sort algorithm.
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JavaScript · Bubble sort
Sort an array of numbers, using the bubble sort algorithm.