Im trying to make a talent calculator of sorts, clicking the ‘skill’ will decrease this variable and right-clicking will increase the variable. The problem i have is i want the variable to be limited from going over 50 or below 0. Now ive googled and searched here for variable limits and max integ…
Tag: javascript
Javascript not resolving worker path relative to current script
I have a script at http://localhost/js/foo.js which needs to spawn a Web Worker from the file http://localhost/js/fooWorker.js. I assumed I could just do something like this: However, this results in a 404 error, as the browser cannot find http://localhost/fooWorker.js. I was under the impression that worker …
Storing a variable in the JavaScript ‘window’ object is a proper way to use that object?
(Maybe) I just solved a my problem (How to update front-end content after that a form is successfully submitted from a dialog window?) by “storing” / “saving” a variable in the JavaScript window object. However, since I am newbie in JavaScript matters, I have some doubts if storing / s…
Focus an enter key to a specific button
I am currently facing a problem. I need have a form to be fill by a user ie: So now I need the way to focus on the ‘Save’ button when a user has filled the last text box in a form, so that even when the user clicks on the ‘Enter’ button the save event get run. This usually
Returning values to JavaScript when calling an Objective-C function
I’ve been using WebViewJavascriptBridge to bridge Objective-C and JavaScript in an iOS application. It works great but it lacks support for returning values to the calling JavaScript code from the called native Objective-C function. I’m pretty sure that Cordova (PhoneGap) does that in some way wit…
How can i get the red green and blue values from an rgb/rgba string?
If I have the string rgba(111,222,333,0.5) how can i extract the individual colours from the string, i.e. I would like to be able to use a neat clean solution for this so I am assuming a regular expression would be best? Answer I’d avoid regex for a predictable string, and suggest: JS Fiddle demo. Or, g…
Change Height and Width of TextArea in codemirror
I am developing website which having xml, java programs. So i chose CodeMirror for displaying programs in TextArea. I had successfully displayed. It’s default height is 300px in codemirror.css. How to change Height and Width of TextArea programmatically in codemirror? Answer The CodeMirror user manual i…
jQuery toggle function disorts text
I have some functions to toggle 2 parts of an HTML if I click the ‘rejt’ button. Normally it looks like this: But after using the button to toggle it back again, it gets disorted like this: Please help me fix this. Code sample: Answer First of all, what’s with the font and id tags? Not sure …
Cartesian product of multiple arrays in JavaScript
How would you implement the Cartesian product of multiple arrays in JavaScript? As an example, should return Answer Here is a functional solution to the problem (without any mutable variable!) using reduce and flatten, provided by underscore.js: Remark: This solution was inspired by http://cwestblog.com/2011/…
Setting multiple attributes for an element at once with JavaScript
How can I set multiple attributes at once with JavaScript? Unfortunately, I’m not able to use a framework like jQuery on this project. Here is what I have now: Answer You could make a helper function: Call it like this: