I have a small express server and in my bin/www.ts I import my app.ts file like this: When I build my project and turn it into JavaScript using: tsc –project ./ and then run it with nodemon ./build/bin/www I get an error in my console saying: The file exists in the location I specified, I’ve check…
Puppeteer to invoke javascript function from an external .js file
Any one has a idea on how to invoke a javascript function from puppeteer which is not inline but in an external .js file. If its inline within the html->head->script tag it works but not if the script tag points to an external .js file Sample HTML File Sample Javascript file Puppeteer code sample Answer…
Slick Carousel showing vertical on mobile instead of horizontal
I have a Slick Carousel in my webflow site. Desktop, tablet works fine, but when I switch to mobile the items are stacked up in vertical order instead of horizontal. Interesting fact is that when I open chrome dev tools and squeze the width of the page to mobile, it works fine, but when I actualy use the Mobi…
React – Function unaware of state when called from keydown event
I’ve been working on learning React, and in doing so built a todo app using class components. Recently I have been working to make a copy of the todo app using functions and hooks instead of classes. Having refactored the code everything appears to be working correctly aside from one use case. CASE 1: W…
WebRTC PeerConnection addTrack after connection established
I’m doing a video conference website. The use case is a user are showing camera and everyone already see here camera. It mean the connection is stable. And user want to share screen. After I have screen stream, I add track to peerConnection but remote computer not fire ontrack event. Here is my code aft…
Jest: test that an array contains none of these values?
I want to verify that a given array doesn’t contain any of a list of values. There is expect.arrayContaining but I don’t get how it is supposed to be used for this. See this example: This test fails which is the expected behavior. I want to verify that “3” is not included in the array.…
Property ‘replace’ does not exist on type ‘IData’. What is missing?
I am tryign to create a cast function where a string with numbers is received as input, but when using the regex function “replace()” it doesn’t recognize it. Anyone know how can I declare “replace()” inside type IData? Answer Based on the comments so far, I think that there is a…
Alternative syntax to access javascript function arguments
prints Is there a way to access the actual arguments in that case? Answer I would advise against overriding the built-in arguments variable within a function definition. You could spread the expected arguments instead using …vargs. Please take a look at the arguments object over at MDN for more info. Th…
Filling a Single or Double Javascript Array in a Single Function
There is something about JavaScript arrays I appear not to know as I am getting results I do not understand. I come from a C++ background. Why is the Double-Array result [Empty String] when I believe it should be displaying the contents of a double-array. The Single array result is how I expect it should be. …
Why the element gets back to first position after animate?
I’m using the animate method for my image created in JavaScript to slide into the .slider-wrapper, it does slide but it jumps back to the first position set for it before the animate method which is not what I want, I want the image to animate and stay there at the new position, not get back to the firs…