@web3r/flowerkit
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Tree-shakable JavaScript and TypeScript utility library for frontend/browser apps: DOM, events, arrays, objects, strings, date, JSON, and network helpers (ESM/CJS, SSR-friendly).
17 lines (16 loc) • 735 B
JavaScript
/**
* Gets Array of intersection of two given Arrays
* @template T
* @param {Array<T>} arr1 first source Array
* @param {Array<T>} arr2 second source Array
* @returns {Array<T>}
* @throws {TypeError} getIntersection: arr1 and arr2 must be arrays
* @example
* // How to get an intersection of two Arrays?
* const arr1 = [ 1, 2, 3 ];
* const arr2 = [ 2, 3, 4, 5 ];
* const intersection = getIntersection(arr1, arr2);
* console.log(intersection); // => [ 2, 3 ]
*/
const getIntersection=(arr1,arr2)=>{if(!Array.isArray(arr1)||!Array.isArray(arr2))throw new TypeError("getIntersection: arr1 and arr2 must be arrays");return[...arr1].filter(val=>arr2.includes(val))};export{getIntersection};
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