marcelabomfim
/ removeDuplicatesByProp.js
Created
March 27, 2019 21:51
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| /* | |
| * Remove duplicate object entries from an array | |
| * @param {Object[]} arr - the array of objects | |
| * @param {string} prop - the property used for comparison | |
| * | |
| * @example | |
| * // returns [{ id: 1, name: 'apple', id: 3, name: 'orange'}] | |
| * removeDuplicatesByProp([{ id: 1, name: 'apple' }, { id: 2, name: 'apple' }, { id: 3, name: 'orange' }], 'name'); | |
| * | |
| * @returns {Object[]} |
marcelabomfim
/ findCommonElements.js
Created
June 15, 2018 16:08
Javascript | Find common elements in multiple arrays
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| const findCommonElements = arrays => | |
| arrays.shift().reduce((res, v) => { | |
| if (res.indexOf(v) === -1 && arrays.every((a) => { | |
| return a.indexOf(v) !== -1 | |
| })) res.push(v) | |
| return res | |
| }, []); | |
| // Example | |
| const arrays = [ |
marcelabomfim
/ bookmark.min.js
Created
May 17, 2018 12:17
— forked from zaydek-old/bookmark.min.js
A simple CSS debugger. Learn more here: https://medium.freecodecamp.org/88529aa5a6a3. To use, bookmark "Debug CSS" at https://zaydek.github.io/debug.css
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| /* debug.css | MIT License | zaydek.github.com/debug.css */ if (!("is_debugging" in window)) { is_debugging = false; var debug_el = document.createElement("style"); debug_el.append(document.createTextNode(`*:not(path):not(g) { color: hsla(210, 100%, 100%, 0.9) !important; background: hsla(210, 100%, 50%, 0.5) !important; outline: solid 0.25rem hsla(210, 100%, 100%, 0.5) !important; box-shadow: none !important; }`)); } function enable_debugger() { if (!is_debugging) { document.head.appendChild(debug_el); is_debugging = true; } } function disable_debugger() { if (is_debugging) { document.head.removeChild(debug_el); is_debugging = false; } } !is_debugging ? enable_debugger() : disable_debugger(); |