// Add CryptoJS library for making hashes in web page
 const script = document.createElement("script");
 script.src = "https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js";
 document.head.appendChild(script);

 // Create the check hash function
 function checkHash(coefficient, salt1, salt2, hashValue) {
    // Transform coefficient to necessary fromat
    coefficient = "|" + coefficient + "|";

    // Concatenate the coefficient, salts
    const input = coefficient + salt1 + salt2;

    // Create the hash value using the specified algorithm
    const calculatedHashValue = CryptoJS.SHA256(input).toString(CryptoJS.enc.Hex);

    // Compare the calculated hash value to the given hash value
    return calculatedHashValue === hashValue;
 }

 // Example
 const coefficient = '1';
 const hashValue = '3bb1c4ab0fe1248c38aabe49adce0475527547ca470cb474f05f48805a3830d7';
 const salt1 = `8r"D%Z8$U],gyI&B`;
 const salt2 = `u[X/zp0?=*U]!1/iFo;<W]xi`;

 const isValid = checkHash(coefficient, salt1, salt2, hashValue);

 if (isValid) {
    console.log('Hash value is valid for the given input coefficient and hash function');
 } else {
    console.log('Hash value is not valid for the given input coefficient and hash function');
 }