en.javascript.info/02-ui/05-widgets/02-widgets-structure/02-slider-widget/solution/lib.js
Ilya Kantor f301cb744d init
2014-10-26 22:10:13 +03:00

44 lines
1.2 KiB
JavaScript
Executable file

function fixEvent(e) {
e = e || window.event;
if (!e.target) e.target = e.srcElement;
if (e.pageX == null && e.clientX != null ) { // если нет pageX..
var html = document.documentElement;
var body = document.body;
e.pageX = e.clientX + (html.scrollLeft || body && body.scrollLeft || 0);
e.pageX -= html.clientLeft || 0;
e.pageY = e.clientY + (html.scrollTop || body && body.scrollTop || 0);
e.pageY -= html.clientTop || 0;
}
if (!e.which && e.button) {
e.which = e.button & 1 ? 1 : ( e.button & 2 ? 3 : ( e.button & 4 ? 2 : 0 ) )
}
return e;
}
function getCoords(elem) {
var box = elem.getBoundingClientRect();
var body = document.body;
var docElem = document.documentElement;
var scrollTop = window.pageYOffset || docElem.scrollTop || body.scrollTop;
var scrollLeft = window.pageXOffset || docElem.scrollLeft || body.scrollLeft;
var clientTop = docElem.clientTop || body.clientTop || 0;
var clientLeft = docElem.clientLeft || body.clientLeft || 0;
var top = box.top + scrollTop - clientTop;
var left = box.left + scrollLeft - clientLeft;
return { top: Math.round(top), left: Math.round(left) };
}