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detect two strings are anagram of each other in JavaScript

Saurabh_Pagrut answered on May 24, 2022 Popularity 7/10 Helpfulness 7/10

answer detect two strings are anagram of each other in JavaScript

related How to determine if one string is anagram of another, in JavaScript?

detect two strings are anagram of each other in JavaScript

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function checkAnagram(str1, str2)
{
    let s1 = str1.trim().split(" ").join("").split("").sort();
    let s2 = str2.trim().split(" ").join("").split("").sort();
    if(s1.length!=s2.length) console.log("False");
    else{
        result = true;
        for(let i=0; i<s1.length; i++){
            if(s1[i]!=s2[i]){
                result = false;
                break;
            }
        }
        if(result) console.log("True");
        else console.log("False");
    }
}

Popularity 7/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: anagram detect each javascript

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Contributed on Jul 23 2022

Saurabh_Pagrut

0 Answers Avg Quality 2/10

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How to determine if one string is anagram of another, in JavaScript?

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/*
  An anagram can be obtained by rearranging
  the letters of another word. For instance, 
  "anagram" is an anagram of "nagaram".
  This implementation determines if one string
  is anagram of another. The two strings are
  assumed to be composed of lowercase alphabetic
  letters only.

  Time complexity: O(n)
  Space complexity: O(1)
*/
// Return true if str1 is anagram of str2
// Or false otherwise
function isAnagram(str1, str2) {
  // Two anagrams must have same length
  if (str1.length !== str2.length) {
    return false;
  }
  // Count nb of occurrences of characters
  // in str1. Only 26 countes are needed
  // since str1 has only lowercase letters
  const counter = new Array(26).fill(0);
  let currentChar1, currentChar2, currentIdx;
  const charCodeA = "a".charCodeAt(0);

  for (let idx = 0; idx < str1.length; idx++) {
    currentChar1 = str1.charAt(idx);
    currentIdx = currentChar1.charCodeAt(0) - charCodeA;
    counter[currentIdx]++;
  }
  // Decrement the previously calculated counters
  // by scanning through letters of str2.
  for (let idx = 0; idx < str2.length; idx++) {
    currentChar2 = str2.charAt(idx);
    currentIdx = currentChar2.charCodeAt(0) - charCodeA;
    console.log(currentIdx);
    counter[currentIdx]--;
    if (counter[currentIdx] < 0) {
      return false;
    }
  }
  return true;
}

console.log(isAnagram("rat", "car")); // true

Popularity 8/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: string javascript anagram jav

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Contributed on May 24 2022

Wissam

0 Answers Avg Quality 2/10

detect two strings are anagram of each other in JavaScript

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