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Run results for:
highestFrequencyString-2
Write a function named `highestFrequencyString` that takes in an array of strings and returns the string with the highest frequency in the array and how many times it appears.
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<iframe src="https://measurethat.net/Embed?id=561733" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
METHOD MANIA
404238.9 Ops/sec
FOR LOOP MANIA
428746.8 Ops/sec
Tests:
METHOD MANIA
const highestFrequencyString = (strArray) => { // so janky can we do better? let res = {}; strArray.forEach((str) => (res[str]) ? res[str]++ : res[str]=1); // var reuse because i'm a degenerate res = Object.entries(res).sort((a,b) => b[1]-a[1])[0]; console.log(`${res[0]} appears ${res[1]} times in the array.`); } const fruits = ["apple", "orange", "apple", "peach", "pear", "apple", "peach"]; highestFrequencyString(fruits);
FOR LOOP MANIA
const highestFrequencyString = (strArray) => { strArray.sort((a,b) => a <= b ? -1 : 1); let max = 0; let curr = 0; let res; for (let i = 0; i < strArray.length-1; i++) { if (strArray[i] === strArray[i+1]) { curr++; } else { if (max < ++curr) { max = curr; res = strArray[i]; } curr = 0; } } console.log( `${res} appears ${max} times in the array.`); } const fruits = ["apple", "orange", "apple", "peach", "pear", "apple", "peach"]; highestFrequencyString(fruits);