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JavaScript Array Articles - 30 seconds of code
The JavaScript article collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.
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JavaScript · Creating a Matrix data structure in JavaScript
After working with 2D arrays for a while, I decided to create a convenient wrapper for operations. Here's the gist of it.
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JavaScript · Implementing a Sudoku validator in JavaScript
Sudoku is a logic-based combinatorial number-placement puzzle. This article discusses how to implement a Sudoku validator in JavaScript.
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JavaScript · How can I calculate the diff between two strings in JavaScript?
Delve deep into the Myers diff algorithm and learn how to calculate the difference between two strings in JavaScript, the way Git does.
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JavaScript · Can I use an object as an array without modifying it in JavaScript?
Learn how you can leverage the Proxy object to use a JavaScript object the same way as you would use a regular array.
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JavaScript · Solving Sudoku with wave function collapse in JavaScript
Explore how to solve Sudoku puzzles in JavaScript using the wave function collapse algorithm, a constraint-propagation technique.
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JavaScript · Get all unique values in a JavaScript array & remove duplicates
Easily remove duplicates from a JavaScript array using the built-in
Setobject, and learn a few other tricks along the way. -
JavaScript · What are JavaScript Iterators and where can I use them?
Learn how JavaScript's iterators work and how you can use them to level up your projects by understanding these short code examples.
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JavaScript · How can I group and count values in a JavaScript array?
Learn how to group and count the values of a JavaScript array using simple array methods.
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JavaScript · The many ways to initialize a JavaScript Array
Discover the inner workings of JavaScript arrays and learn about the different ways to initialize them.
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JavaScript · Code Anatomy - For loops, array reduce and method chaining
There are many ways to iterate and transform array data in JavaScript. Learn how each one works and where you should use them.
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JavaScript · How can I zip and unzip arrays in JavaScript?
Learn how to implement array zipping, a grouping of elements based on position in the original arrays, and its inverse, unzipping.
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JavaScript · Sort an array of objects in JavaScript
Ever wanted to sort an array of objects, but felt like it was too complex? Here's a robust solution for just that.
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JavaScript · Partition a JavaScript array into two or more arrays based on a condition
Group array elements into two or more arrays arrays, depending on the provided function's return value.
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JavaScript · Native JavaScript Data Structures
JavaScript provides a handful of native data structures that you can start using in your code right now.
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JavaScript · Group data using the K-means clustering algorithm in JavaScript
Implement the K-means clustering algorithm in JavaScript to group data into clusters.
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JavaScript · How can I clone an array in JavaScript?
Pick up a few new tricks which you can use to clone arrays in JavaScript.
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JavaScript · How do I convert an iterable to an array in JavaScript?
Learn how to use the JavaScript ES6 spread syntax to converting iterables to arrays and level up your code today.
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JavaScript · Asynchronous array loops in JavaScript
Asynchronously looping over arrays in JavaScript comes with a few caveats you should watch out for.
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JavaScript · Merge two or more JavaScript objects
Learn how to combine two or more objects into a single object in JavaScript.
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JavaScript · How can I find the longest common subsequence of two strings in JavaScript?
The longest common subsequence is the longest subsequence common to all given sequences and can be easily found using dynamic programming.
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JavaScript · How can I find the minimum height tree in an undirected tree in JavaScript?
Using the degree of nodes, we can employ a very efficient algorithmic trick to find the minimum height tree in an undirected tree in JavaScript.
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JavaScript · Classify data using the K-nearest neighbors algorithm in JavaScript
Implement the K-nearest neighbors algorithm in JavaScript to classify a data point relative to a labelled data set.
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JavaScript · Numeric range generator in JavaScript
Learn how to use JavaScript ES6 generators to create a range generator that produces a sequence of numbers.