compair-string_0215.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>compair-string</title>
</head>
<body>
    
</body>
<script>
    const str1 = "ab";
    const str2 = "ba";
    const str3 = "bbaa";
    const str4 = "abbb";
    const str5 = "bbba";

    console.log("======result===========");
    console.log(checkStr(str1,str2));
    console.log(checkStr(str3,str4));
    console.log(checkStr(str4,str5));
    console.log("=======================");

    function checkStr(str1, str2) {
        let arr1 = str1.split("").sort();
        let arr2 = str2.split("").sort();

        if(arr1.length !== arr2.length) return false

        let result = true;

        arr1.forEach((el, index) => {
            if (el !== arr2[index]) result = false
        });

        return result
    }
</script>
</html>