In short, I’m trying to make something like this. Here is my code. I need to use only setInterval and when resuming the pic moving action it starts from the last points not from the first one, var e =…
Tag: javascript
ERROR TypeError: Cannot read property ‘nativeElement’ of undefined after modal popup loading in angular
i have a component with modal popup and defined a viewchild elementRef to try to get an element of input text after the modal popup opens. The modal is opened after click a button and there is a search button in the modal triggers a function in typescript but when click the button i got a warning ‘nativ…
Array chain results in undefined
I have this array of strings, which is the result of a chain of array methods I’m implementing to a larger list. See the chain and array below: Now, when I apply the last method forEach(), which is supposed to turn the strings to lower case it prints undefined. Not sure why. see below the full chain. An…
for what “../..” used for? I found it today in this line var express = require(‘../..’);
Hey I was trying to understand node-js routes and found this sentence “var express = require(‘../..’);” I don’t understand the meaning/usage of ‘../..’ here please can someone explain it to me? Answer ‘../..’ is a relative path to index.js file which is si…
How to set initial dropdown value using javascript?
I am trying to select the value selected in the dropdown using the value from the local storage. My dropdown code for html looks like this. I am trying to set the value selected in the dropdown like this. But this does not work. Answer The semantic-ui docs (that I found) are limited on API methods, so there&#…
Generate html in for each with closing tag every 4 loop
I’m trying to generate the following html : So I tried the following : But doesn’t output the desired result Answer Try like below. And check changes with comment. There are two changes in your code. You need to open your row div with i%4 == 0 and close it with i%4 == 3. Once each loop complete yo…
“Error: MongooseError: Operation `users.insertOne()` buffering timed out after 10000ms”,
I’m running MongoDB Atlas on node express and I got this error when I tested with postman. This is my .env, I’m guessing the problem might be here too, Kindly help: Answer In my case, I had to go to Atlas, and reset my whitelisted IP to the correct address. Then I restarted my local server and tri…
Paginating data causing unusual behavior?
I am displaying “global posts” on one of my tabs. Currently, there are only 11 posts in the database: In the app Some of the posts are being duplicated, and I have no idea why these SPECIFIC posts are being duplicated, as it seems to me like it is happening at random. Here is the code for how I pa…
Get HTML Table Row by Value
I have a HTML Table: I want to make a JS function that will find “Sam” in the first column and replace the second column with “Green” This is a function based off another article, it find any word matching searchText in the table and replaces it with the replace string. What I want to …
Close Elementor Popup with JavaScript
I have a popup created with Elementor that plays a video when opened. I am trying to get it to close after the video if finished (say 90 seconds), but I can’t find how to close an element or Popup with Javascript. I have tried something like this https://github.com/elementor/elementor/issues/7085, but a…