current window height width state func

current.js

function isTouchDevice(){
    return true == ('ontouchstart' in window || window.DocumentTouch && document instanceof DocumentTouch);
}
function current() {
    var state='click';
    if(isTouchDevice()===true) {
        state='touchstart';
    }
    return {h : Math.max(document.documentElement.clientHeight, window.innerHeight || 0), w: Math.max(document.documentElement.clientWidth, window.innerWidth || 0),scroll:(window.pageYOffset || document.documentElement.scrollTop)  - (document.documentElement.clientTop || 0),state:state};
}