一款不错的键盘密码输入js程序

2019-06-03 04:56:13王冬梅

            if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
            if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
            if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
            event.returnValue = false;
        } else { 
            whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
            if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
            if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
        if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
            if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
            return false;}
        return false;    }
    function dropIt() {whichIt = null;
        if(NS) window.releaseEvents (Event.MOUSEMOVE);
        return true;    }
    if(NS) {window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
        window.onmousedown = grabIt;
         window.onmousemove = moveIt;
        window.onmouseup = dropIt;    }
    if(IE) {