I’m trying to show spinner on button while loading on submit, I have seen a couple of implementations and tried in my application but its not working. Here is the fiddle which I am trying to describe. I want to mention one other thing that this HTML is on my sidebar and being added through javascript on…
Tag: javascript
Angularjs: Error: [ng:areq] Argument ‘HomeController’ is not a function, got undefined
This is my demo using angularjs, for creating a service file, and adding service to a controller. I have two problems with my demo: One is when I put <script src=”HomeController.js”> before <script src=”MyService.js”> I get this error, Error: [ng:areq] Argument ‘HomeC…
min_by,max_by equivalent functions in javascript
Is there any javascript library that contains functions like min_by,max_by in Ruby, which allow you pass a lambda as a criteria to compare. I found not such things in JQuery and underscore.js . Answer To use this in the same way as Ruby, ie call it on the array: So the ruby example becomes: or:
Node.JS readFileSync() function
index.js server.js router.js index.html I’m trying to store the file path in a variable and then feed it ti readFileSync() function, but this gives me fllowing error in the console. but if I enter the path “D:/nodejs/file_upload/view/index.html” in the function directly then it shows me the …
The on mouseover only works once? JQuery [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 8 years ago. Improve this question On ho…
How to check if input file is empty in jQuery
Brand new to JS. I am trying to check if the file input element is empty when submitting the form with jQuery/JavaScript. I have gone through a bunch of solutions and nothing is working for me. I am trying to avoid the /c/fakepath (unless there is no other option) This does not work: The only way I can get th…
onClick works but onDoubleClick is ignored on React component
I am building a Minesweeper game with React and want to perform a different action when a cell is single or double clicked. Currently, the onDoubleClick function will never fire, the alert from onClick is shown. If I remove the onClick handler, onDoubleClick works. Why don’t both events work? Is it poss…
Update if exists or add new element to array of objects – elegant way in javascript + lodash
So I have an array of objects like that: uid is unique id of the object in this array. I’m searching for the elegant way to modify the object if we have the object with the given uid, or add a new element, if the presented uid doesn’t exist in the array. I imagine the function to be behave like
How to specify a “caused by” in a JavaScript Error?
In my NodeJS program, I parse some user JSON file. So I use : The problem is that if the json file is not correctly formated, the error thrown is like: As it is not really user friendly I would like to throw an Error specifying some user friendly message (like “your config file is not well formated̶…
How to view JavaScript console on Android (and iOS)?
I am creating a purely browser based app – HTML and JavaScript. I do not have an Android IDE installed (nor one for iOS) – and would prefer not to have to install one and perform remote debugging. Developing on my PC, I use the Chrome browser and the developer tools to view the JavaScript console …