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Tag: javascript

Reverse an integer in JavaScript

I have written the following code to reverse an integer in JavaScript. It works fine but returns a 0 when given an input of -900000. Does anyone know what could be wrong? Answer You don’t need to slice off the – sign from negative numbers, you’ve already taken the absolute value as x. Drop t…

How to upload and read CSV files in React.js?

I would like the user to upload a .csv file, and then have the browser be able to parse the data from that file. I am using ReactJS. How would this work? Thanks. Answer Figured it out. A combination of react-file-reader and HTML5’s FileReader (see this page). Placed the react-file-reader bit inside of r…

How to configure eslint indent for WebStorm?

How to set “indent” in .eslintr.json to match the default used in WebStorm? Everything I’ve tried so far, as per the official documentation can’t match it: “indent”: [“error”, 2] – gives many Expected indentation of 2 spaces but found 4 “indent&#8221…

children prop in React component

i am learning react at the moment. this is the link with the code – http://redux.js.org/docs/basics/ExampleTodoList.html I am having a bit of difficulty understanding what’s going on in this part of the code I am having the most difficulty understand this snippet What does {children} mean here? Wh…

Vue component event after render

Is there an event in Vue that gets fired after an element re-renders? I have an object that updates, which causes my template to update. After it updates I want to trigger an event which runs a jQuery function. The code looks like this: As you see, I tried using the watch event, however when the watch event t…