I have an event listener I would like to have a timeout for this event listener. So let’s say that if it doesn’t receive any event called ‘evt’ in 3 seconds I would like to have a notification that it timed out. I tried with the setTimeout function but so far I don’t manage to pa…
Tag: javascript
Using reduce() to find min and max values?
I have this code for a class where I’m supposed to use the reduce() method to find the min and max values in an array. However, we are required to use only a single call to reduce. The return array should be of size 2, but I know that the reduce() method always returns an array of size 1. I’m
Show read more link if the text exceeds a certain length
well I am new here and I don’t know much about JavaScript. I saw similar post like this here: How do I add a read more link at the end of a paragraph? but I need some other things which is not available there. I add contents in my gaming site using these BB codes: [url=url to main page of
react router and express GET conflict
I’m not able to figure out how react router and express route working together. I have this The problem is my api can’t use GET because it will redirect to index.html. If I remove the wildcard route, then react-router would not be able to work properly. Answer Your app.get(‘*’) stateme…
Failed form propType: You provided a `value` prop to a form field without an `onChange` handler
When I load my react app I get this error in the console. Warning: Failed form propType: You provided a value prop to a form field without an onChange handler. This will render a read-only field. If the field should be mutable use defaultValue. Otherwise, set either onChange or readOnly. Check the render meth…
fetch response.text() returns pending promise
I test the fetch API with jsonplaceholder URL, but my function returns “Promise State: Pending”, and I don’t understand why : I think the problem is because of asynchronous/synchronous methods? Answer I think the problem become asynchrone/synchrone method ? Yes. You’ve (mostly) correct…
How can I add a delete button to an input display using only javascript?
Okay, before I ask my question, I have searched high and low for this answer and I’ve only come up with no-ended answers or jQuery answers. I am trying to do this using JAVASCRIPT ONLY. No other libraries. I know I’m on the right track, but I just can’t figure out how to delete only the last…
typescript + redux: exclude redux props in parent component
I am using redux and typescript for my current webapp. What is the best practice to define the props of a component which receives redux-actions via @connect, but also props from parent? Example: As I see it I got 2 solutions. Just pass the actions & state down through my whole app. But that would mean th…
Webpack, html-webpack-plugin, Error: Child compilation failed
I ‘ve got a problem with my webpack configuration. After implementing html-webpack-plugin I got an Error, there’s whole error stack from generated index.html. Error Stack: Html Webpack Plugin: Error: Child compilation failed: Conflict: Multiple assets emit to the same filename index.html: Error: C…
How to Import a Single Lodash Function?
Using webpack, I’m trying to import isEqual since lodash seems to be importing everything. I’ve tried doing the following with no success: Answer You can install lodash.isequal as a single module without installing the whole lodash package like so: When using ECMAScript 5 and CommonJS modules, you…