Is there any DOM event for when the browser tab loses/gains focus? I know there are the blur and focus events on window, but they also fire when the browser window as a whole loses focus. The browser
I have a web application in which I have hooked mouse up and mouse down events; I use them for selection and manipulation of the graphical language for which my application is an editor. To prevent th
I want to be able to tell when a window that I open is closed by the user.This is the code of my attempt at monitoring this:
I am developing an alarm in HTML5 for iPad, but I noticed that when the screen goes into standby (or is b开发者_开发问答locked by the user), Safari blocks all events. I tried setTimeout().
For some reason this code doesn\'t work in IE9 (could not try other开发者_开发问答 versions of IE). When tried it worked fine in Chrome and Firefox.. Text boxes comes up with message "undefined&q
EDIT Based on the number of views and the complete lack of responses I have to assume that I did a poor job of communicating my issue. I\'m going to try to rectify that now.
I want to get an icon\'s image when a 开发者_运维问答user drags and drops it over some kind of div, but that it\'ll show exactly what the user sees (e.g. thumbnail, *.ico), is it possible to do so, or
I am trying to write some JavaScript that draws a line by dragging the mouse, and then removes it when you let go of left click.
(This is related to another question I asked, boiled down to the bare essentials). Would having a very large number of click listeners on a page be detrimental开发者_StackOverflow社区 to performance?
function on_click(e) { if( !e ) e = window.event; dragok = false; document.onmousemove = null; var x = e.target||e.srcElement;
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