Function isNumber

project/emscripten/boxedwine-shell.js:164–167

(num)

            return resolution;
        }
        function isNumber(num) {
        	const result = Number(num);
        	return !isNaN(result) && result > 0 && result < 2000;
        }
        function getFrameSkip() {
            var frameskip =  getParameter("skipFrameFPS");
            if(!allowParameterOverride()){