Check for Anagram in 2 strings

Question

I\'ve created a function that checks if 2 words are anagrams, but I want to make it better. I feel the declaration of the counter after in the if statement is not quite well, if

Answer 1

function checkAnagram(string1, string2) {
   return string1.replace(/[^\w]/g,'').toLowerCase().split('').sort().join('') === 
        string2.toLowerCase().replace(/[^\w]/g,'').split('').sort().join('')
}