Just learning promises. Javascript is single threaded right? So when it uses fetch api to make http requests it all happens in one thread? How does it manage concurrency with PromisePool then? Then two then above cannot run on multiple threads right? Just in one thread? Thanks Answer Javascript is single thre…
Jquery click event not returning anything
My jquery is not alerting anything when I click the button with the id decrease. This is my code. I am using external js file. I tried doing this and it is working fine. This is the html code: what’s wrong with my first code snippet? Answer The value you pass to ready() needs to be a function. In your
JavaScript Show invisible divs on click
I ran into a problem that when I click on the button, it just flips the icon but only makes the invisible fields visible on the second click. Are there any idea how to do it? (Heres a gif to show my problem: https://ibb.co/cvz7pWC ) Also heres my code : Answer This could be to do with you not being
How to remove getbutton.io branding
If we use this free getbuttton.io widget then it shows getbutton.io branding so, is there any way to remove that branding using JS? Answer it will take like 2 seconds to load. so you can do something like this. you can increase 2sec to 5 if it takes more time to load.
How to use If Else in OnChange() event in JavaScript?
This is My HTML code: And JS Code: Whenever onchange() event occurs I want to display Cost Of Ticket according to the selected value of select. But it shows 25000 after onchange() event and then never changes irrespective of the values selected. How to correct the code to complete above task? Answer Let me te…
Using replace string method inside forEach
I have an array full of strings which I’d like to loop over and replace any occurrences of ‘123’ with ”. The desired result would be: [‘hello’, ‘cats’, ‘world’, ‘dogs’] Answer Use .map instead, if you can – return the .replace call …
How to display specific elements on a page at a specific screen resolution
How to display specific elements on a page at a specific screen resolution. A kind of mobile version for the site, something like media queries, only which will display a certain block of js (react) / html (jsx) code at a certain resolution Answer You can take a look at the answer on this similar question If …
How do i use a variable in firebase storage ref
I have built a function to get the download URL for the specified ref which can be found below: EDIT: EDIT : This code above this generates html, i made it so it makes a title on the button, when clicked it grabs the buttons title value, and then it passes that (val) variable to that function above, and then
Button that generates error message on condition
I am trying to implement a button in HTML that calls a function on click, which checks whether a textinput is empty. If so (the information hasn’t been entered), an error message for the input field should be generated. I am experimenting with a button that doesn’t submit the form. However, if you…
Get HTML Table Data into Bar Chart
I’ve been messing around with some database data that I’ve imported into an HTML table. Then I decided that I needed to get that data into a bar chart. Is there a way I can do this? If so can you show me how to do so? HTML (warning code snippet doesn’t actually work here, but it does in my