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Run results for:
merge arrays
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
spread syntax
19.4 Ops/sec
concat
19.9 Ops/sec
push
19.6 Ops/sec
Tests:
spread syntax
for(let i = 10000; i >0; i--){ // Accept indefinite number of arrays as param, return one merged array function mergeArrays(...arrays) { let jointArray = []; arrays.forEach((array) => { jointArray = [...jointArray, ...array]; }); return jointArray; } console.log(mergeArrays([1, 2], [3, 4], [1, 5], [4, 5, 6])); }
concat
for(let i = 10000; i >0; i--){ // Accept indefinite number of arrays as param, return one merged array function mergeArrays(...arrays) { let jointArray = []; arrays.forEach((subArr) => { jointArray = jointArray.concat(subArr); }); return jointArray; } console.log(mergeArrays([1, 2], [3, 4], [1, 5], [4, 5, 6])); }
push
for(let i = 10000; i >0; i--){ // Accept indefinite number of arrays as param, return one merged array function mergeArrays(...arrays) { let jointArray = []; arrays.forEach((subArr) => { jointArray.push(...subArr); }); return jointArray; } console.log(mergeArrays([1, 2], [3, 4], [1, 5], [4, 5, 6])); }