I have essentially the same question as PEG for Python style indentation, but I’d like to get a little more direction regarding this answer. The answer successfully generates an array of strings that are each line of input with ‘INDENT’ and ‘DEDENT’ between lines. It seems like h…
Tag: javascript
How to toggle a boolean?
Is there a really easy way to toggle a boolean value in javascript? So far, the best I’ve got outside of writing a custom function is the ternary: Answer This holds true in most languages.
How to replace non-printable unicode characters (Javascript)
I’ve already wasted a good amount of time dealing with strings (generated by some other source) and I found out that the problem was that the strings have non-printable characters. Today I am dealing with javascript. Does anyone know how to replace non-printable unicode characters in javascript? I found…
Sending command line arguments to npm script
The scripts portion of my package.json currently looks like this: …which means I can run npm start to start the server. So far so good. However, I would like to be able to run something like npm start 8080 and have the argument(s) passed to script.js (e.g. npm start 8080 => node ./script.js server 80…
Removing event listener which was added with bind
In JavaScript, what is the best way to remove a function added as an event listener using bind()? Example The only way I can think of is to keep track of every listener added with bind. Above example with this method: Are there any better ways to do this? Answer Although what @machineghost said was true, that…
Comma Separated Data in Google Visualisation API
I’m using GeoChart from the Google Visualisation API to create a dynamic map containing site usage information. Due to the large metric values (8 digits), I need to comma separate these numbers to make the map more readable. I’ve written a function that adds commas to these number, but this then c…
How to stringify event object?
JSON.stringify(eventObject); gives: TypeError: Converting circular structure to JSON dojox.json.ref.toJson(eventObject); gives: TypeError: Accessing selectionEnd on an input element that cannot have a selection. Is there some library/code ready to use to accomplish it ? Answer You won’t be able to seria…
JavaScript onkeydown, return true,false
I am studying Javascript and I am at this simple code:Link, I understand this code but the only thing that I don’t understand is the return false. I tried return true, and even I deleted the return line, and looked at FireFox, Chrome, and IE, and three of them didn’t look like something happened s…
Copy prototype for inheritance?
I was playing around with JavaScript in particular simulating object oriented programming with classes and whatnot. I knew about this way of achieving inheritance But I wasn’t satisfied, I didn’t like how I needed to call the constructor of AnotherClass. So I was playing around and I came up with …
Why does an anonymous function get called, whereas a named function doesn’t?
I’m creating a CoffeeScript application that overlays a webcam video with a canvas element (this is just for context and doesn’t seem to relate to my problem though). To get the proper canvas size to overlay on the video, I attach an event handler function to the loadedmetadata event like this: Th…