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Other 2021-10-12 12:04:05
javavscript array.filter with array.map
var arr = [1, 25, 20, 4]; var sum = arr.map((item) => item * 10).filter((item) => item > 100); var sum2 = arr.map((item) => item * 10) console.log("sum2", sum2) // sum2 : (4) [10, 250, 200, 40] console.log("sum", sum); // ... Add solution -
Javascript 2021-10-08 14:18:04
use .map(), .filter() js
var arr = [1, 25, 20, 4]; var sum = arr.map((item) => item * 10).filter((item) => item > 100); var sum2 = arr.map((item) => item * 10) console.log("sum2", sum2) // sum2 : (4) [10, 250, 200, 40] console.log("sum", sum); // ... Add solution -
Javascript 2021-09-06 10:37:02
get highest value from array javascript
//For Values var arr =[1,10,3] var min = Math.min.apply(null, arr), max = Math.max.apply(null, arr); //For Objects var arr = [{a: 1},{a: 10},{a: 3}] var values = arr.map(val => val.a); var max = Math.max.apply(null, values); console.log(max) Add solution -
Javascript 2021-09-04 01:45:01
react split array into chunks
const chunkSize = 10; const arr = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]; const groups = arr.map((e, i) => { return i % chunkSize === 0 ? arr.slice(i, i + chunkSize) : null; }).filter(e => { return e; }); console.log({arr, groups}) Add solution
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