Determine if two JavaScript strings are anagrams of one another by comparing their characters. What specific method or approach is utilized in this scenario?

Question

Determine if two JavaScript strings are anagrams of one another by comparing their characters. What specific method or approach is utilized in this scenario?

Could someone please provide a breakdown of the JavaScript code logic used here?

The following code is designed to check if two strings are anagrams of each other, but I'm having trouble understanding the approach taken to perform this check.

Any help would be greatly appreciated.

<script type="text/javascript">
$(document).ready(function() {

    var anagram = function(str1, str2){
    if (str1.length !== str2.length) {
        return false;
    }

    var sortstr1 = str1.split('').sort().join('');
    var sortstr2 = str2.split('').sort().join('');

    return (sortstr1 === sortstr2);
}

    $('.AnagramChecker').on('click', function(e) {
        e.preventDefault();
        if($('#string1').val() == '') {
            $('#string1').addClass('error');
            if($('#string2').val() == '') {
                $('#string2').addClass('error');
            }
            $('.results').empty();
            $('.results').hide();
        } else {
            $('#string1').removeClass('error');
            if($('#string2').val() == '') {
                $('#string2').addClass('error');
                $('.results').empty();
                $('.results').hide();
            } else {
                $('#string2').removeClass('error');
                var isAnagram = anagram($('#string1').val(), $('#string2').val());
                $('#string1').val('');
                $('#string2').val('')
                $('.results').show();
                $('.results').empty().append('Anagram is: ' + isAnagram);
            }
        }
    });
});
</script>

html css anagram

Answer 1

Answer №1

After dividing both strings into arrays based on their characters, these arrays are sorted alphabetically and then combined back into strings. By comparing these strings, it can be determined if they are anagrams of each other.

Answer 2

After dividing both strings into arrays based on their characters, these arrays are sorted alphabetically and then combined back into strings. By comparing these strings, it can be determined if they are anagrams of each other.

Answer 3

Answer №2

function checkAnagrams(str1, str2){

  //split strings into arrays   
  let array1 = str1.split("");
  let array2 = str2.split("");

  //check array lengths
  if(array1.length !== array2.length){
      return false;
  }     

  //create frequency counter objects
  let freqCounter1 = {};
  let freqCounter2 = {};

//   loop through array elements and count frequencies
  for(let value of array1){
     freqCounter1[value] = (freqCounter1[value] || 0) + 1; 
  }
  for(let value of array2){
     freqCounter2[value] = (freqCounter2[value] || 0) + 1; 
  }

  console.log(freqCounter1);
  console.log(freqCounter2);

  //loop through every key in the first object
  for(let key in freqCounter1){
      //if second object does not contain same frequency count
      if(freqCounter2[key] !== freqCounter1[key]){
        return false;
      }
  }
  return true;

}

checkAnagrams('anagrams','nagramas');

Answer 4

function checkAnagrams(str1, str2){

  //split strings into arrays   
  let array1 = str1.split("");
  let array2 = str2.split("");

  //check array lengths
  if(array1.length !== array2.length){
      return false;
  }     

  //create frequency counter objects
  let freqCounter1 = {};
  let freqCounter2 = {};

//   loop through array elements and count frequencies
  for(let value of array1){
     freqCounter1[value] = (freqCounter1[value] || 0) + 1; 
  }
  for(let value of array2){
     freqCounter2[value] = (freqCounter2[value] || 0) + 1; 
  }

  console.log(freqCounter1);
  console.log(freqCounter2);

  //loop through every key in the first object
  for(let key in freqCounter1){
      //if second object does not contain same frequency count
      if(freqCounter2[key] !== freqCounter1[key]){
        return false;
      }
  }
  return true;

}

checkAnagrams('anagrams','nagramas');

Answer 5

Answer №3

function checkArraysEquality(arr1, arr2){
  if(arr1.length != arr2.length){
    return false;
  }
  var freq1 = {}, freq2 ={};

  for(var element of arr1){
    freq1[element] = ++freq1[element] || 1;
  }
  for(var element of arr2){
    freq2[element] = ++freq2[element] || 1;
  }

  for(var key in freq1){
    if(!(key in freq2)){
      return false;
    }
    if(freq1[key] != freq2[key]) {
      return false;
    }
  }

  return true;
}

Answer 6

function checkArraysEquality(arr1, arr2){
  if(arr1.length != arr2.length){
    return false;
  }
  var freq1 = {}, freq2 ={};

  for(var element of arr1){
    freq1[element] = ++freq1[element] || 1;
  }
  for(var element of arr2){
    freq2[element] = ++freq2[element] || 1;
  }

  for(var key in freq1){
    if(!(key in freq2)){
      return false;
    }
    if(freq1[key] != freq2[key]) {
      return false;
    }
  }

  return true;
}

Determine if two JavaScript strings are anagrams of one another by comparing their characters. What specific method or approach is utilized in this scenario?

Answer №1

Answer №2

Answer №3

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