I am drawing lines using Canvas (HTML 5), since lines/shapes are not stored as objects in Canvas, I cannot attach unique events to it (eg onmouseclick) I wish to attach a onmouseover event to a line, is it possible by getting to know if the mouse if over a particular line (using its 2 X and 2 Y co-ordinates) in
Convert hyphens to camel case (camelCase)
With regex (i assume) or some other method, how can i convert things like: marker-image or my-example-setting to markerImage or myExampleSetting. I was thinking about just splitting by – then convert the index of that hypen +1 to uppercase. But it seems pretty dirty and was hoping for some help with regex that could make the code cleaner. No jQuery…
“google is not defined” when using Google Maps V3 in Firefox remotely
Here’s my conundrum: I have a page that uses Google Maps V3 and jQuery. It all worked well locally in FF5, Chrome and Safari. Once I uploaded to a web site, I get a “google is not defined” error on the first line that I try to use a google object It only occurs in FF and only occurs remotely
Removing all script tags from html with JS Regular Expression
I want to strip script tags out of this HTML at Pastebin: http://pastebin.com/mdxygM0a I tried using the below regular expression: But it does not remove all of the script tags in the HTML. It only removes in-line scripts. I’m looking for some regex that can remove all of the script tags (in-line and multi-line). It would be highly appreciated if
how to disable buttons based on a condition in jsp?
how can I disable a button by checking a condition in my jsp? If true,then the button is enabled,if false,then the button is disabled. The condition would be checking the value of a variable. I know how to disable a button using javascript, but to use it along with the condition in jsp is what I’m not able to figure
Is it possible to alter a CSS stylesheet using JavaScript? (NOT the style of an object, but the stylesheet itself)
Is it possible to alter a CSS stylesheet using JavaScript? I am NOT talking about: I AM talking about altering: besides doing something dirty (which we haven’t tried yet btw), like creating a new object in the head, innerHTML a style tag in there, etc. Although this, even if it did work, would pose a few issues as the style
Is it possible to create an HTML canvas without a DOM element?
I’d like to have an HTML canvas context that I can paint to and read off-screen (in this example, writing text and reading the shape that is created, but it’s a general question). I may also want to use a canvas as an off-screen frame-buffer. I suppose I could create a hidden DOM element but I’d rather create it from
Set default value of Javascript object attributes
Is there a way to set the default attribute of a Javascript object such that: Answer Since I asked the question several years ago things have progressed nicely. Proxies are part of ES6. The following example works in Chrome, Firefox, Safari and Edge: Read more in Mozilla’s documentation on Proxies.
javascript innerHTML adding instead of replacing
quick question, i know we can change the content of a <div id=”whatEverId”>hello one<div> by using: now, is there a way I can ADD stuff to the div instead of replacing it??? so i can get <div id=”whatEverId”>hello one hello two<div> (using something similar of course) Answer
How to serialize an Object into a list of URL query parameters?
Without knowing the keys of a JavaScript Object, how can I turn something like… …into… …? Answer Example: http://jsfiddle.net/WFPen/