While adding some initialisation code to a webpage, I found myself writing window.onload = … for the umptieth time, when a thought hit me. The window. isn’t necessary, because window is the current object. So it’s optional! But nobody writes just onload = … and I wonder why that is. I mean, we have no qualms about writing other things,
Tag: dom-events
How to detect single control keyup event but not key combinations?
It is easy to detect control key event with The problem is that any key combinations such as control-c and control-v will also trigger the event, and it seems that the event handler cannot distinguish between a single control and the control within a control-c. What I want is to allow only a single key press-and-release, but not a key
Validation for textbox by using checkbox
This is my code: This is my angularjs Code: In the above code when I click the Continue button, first check the checkbox checked or not after it will check enter the password or not. Answer Check Once Is it what you want or something else Remove alerts ands code what you want
Pass event to another function
Now with above code I am getting JShint error: “Dont make functions within loop”. To resolve above error I am doing this now: Is this fine? If yes then how can I pass event from click event to clickHandler and then to doClick function? Answer No, it’s not fine. The problem in creating functions inside a loop is that you
How do I get $emit to controller from directive built html
I’m having difficulty figuring this out. I have a directive building html from promise data. For each row, it’s adding buttons for CRUD operations. I do not know how to get the button event to trigger in my controller. Regardless of how my controller is set up, how can I get the event to register in my controller? I am
Is the event loop in Javascript executing in a separate thread?
I still believe Javascript is single threaded, but when I think about the event handling mechanism, I have some doubts. Is event loop a separate thread, which pulls events one by one from queue and process. Why I think like this is even while processing one event from queue, it can listen or it can push events to same queue.
Javascript Event Listeners – Firing order
If an element has multiple event listeners attached, will the order of execution be based on where/when the events are bound (located in the code from top to bottom). Guaranteed, 100% of the time? Or is there any “randomness” involved in this. What about mixing jQuery and vanilla event listeners on the same element? Answer (Assuming you are talking about
Restricting pointermove interactions to two layers in openlayers 3
In openlayers version v3.6 running in Chrome on Ubuntu I have create a map with several layers (foo, bar, beltch) in it using the syntax: I would like to limit interactions to the layers foo and bar The api documents at http://openlayers.org/en/master/apidoc/ol.interaction.Select.html suggest using the following syntax But I seem to get events for all layers, I have checked the
Can’t get width property with JavaScript
My idea is when I click on the button, the div#x will lose 1% of width. Here is my code: The blue bar (div#x) is supposed to be shorter 1% every time I click on the left button (section#a). I have check so many times but I still don’t know what problem with my code. I did change some code
Cannot click input element within button element
Take a look at the below markup & fiddle: http://jsfiddle.net/minlare/oh1mg7j6/ In Chrome, each element within the button can be selected through the developer console and js click events are delegated. In Firefox/IE you cannot select the child elements or pickup js click events. Is there a way around this in Firefox/IE? Answer It is not suggested to use elements inside