less than or equal to zero javascript

1let string = "1";
2let number = 1;
3if (parseInt(string) === number){
4  	// STRING AND NUMBER MATCHES
5}
6if (string == number){
7  // STRING AND NUMBER MATCHES ALSO BECAUSE == instead of ===, means it won't compare datasets, only the content
8}

1function lessThanOrEqualToZero(num) {
2    let lessThanZero;
3    if ( num <= 0) {
4      result = true;
5    } else {
6      result = false;
7    }
8    return result;
9  }