complete from with password constraints using js code example

Example 1: javascript password validation special character

function CheckPassword(inputtxt) 
{ 
var paswd=  /^(?=.*[0-9])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{7,15}$/;
if(inputtxt.value.match(paswd)) 
{ 
alert('Correct, try another...')
return true;
}
else
{ 
alert('Wrong...!')
return false;
}
}

Example 2: javascript password matching

let pass1 = document.getElementById("pass-one");
    let pass2 = document.getElementById("pass-two");
    let run = document.getElementById("run");

    run.addEventListener("click", function () {
        if (pass1.value !== pass2.value) {
            pass1.style.border = '3px solid red';
            pass2.style.border = '3px solid red';
            run.innerHTML = "Mismatch";
        } else {
            pass1.style.border = '3px solid green';
            pass2.style.border = '3px solid green';
            run.innerHTML = "Matching"
        }
    })