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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,6 +1,5 @@ // By @coderitual // https://twitter.com/coderitual/status/1112297299307384833 // Remove any duplicates from an array of primitives. const unique = [...new Set(arr)] -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,42 @@ By @coderitual https://twitter.com/coderitual/status/1112297299307384833 -- // Remove any duplicates from an array of primitives. const unique = [...new Set(arr)] // Sleep in async functions. Use: await sleep(2000). const sleep = (ms) => (new Promise(resolve => setTimeout(resolve, ms))); // Type this in your code to break chrome debugger in that line. debugger; // Just plain english. [...].every(Number.isFinite); // Returns all non-falsy values from an array. [...].filter(Boolean) // Array destructuring to see matching elements. let [r, g, b, a] = [255, 0, 0, 255]; // Object destructuring to reduce multiple lines of code to a single line. let {width, height} = resolution; // Gets an item from the list and wraps around to the start if n is larger than the list. items[n % items.length] // Console.log in array function without adding curly braces. const addFortyTwo = number => console.log(number) || number + 42 // Same as above const add42 = n => (console.log(n), number + 42); // Log variables with names. I love this trick with object ❤️ console.log({ a, b, c, d, e}); // Random hex color '#'+Math.floor(Math.random()*16777215).toString(16) // We love Javascript that's why instead of Math.floor we use ~~anyNumber