Recently i have started learning mongodb and started to make a simple application that will just display the data present in my database. Here’s the code: After running this code, the data successfully gets stored in the database but it didn’t show me the output of all the data in my database. Can…
Tag: javascript
How to listen callback JS?
I have callback in interface: I tried to catch this callback using this: But I get this error: Expected 0 arguments, but got 1. Answer It’s hard to say for certain without more context, but you’re probably meant to assign to onLoad rather than call it: Typically, a callback is called by the object…
JavaScript countdown timer counting past zero
This might be a really simple thing to ask but I’ve got a JavaScript countdown timer, but I can’t stop it from counting past 0:00. Instead of stopping at this point, it will continue to -1:59 etc. I’d also like it to play a beeping sound (which can be found here) when the timer reaches zero.…
javascript clearInterval() function is not working
//I want when user press key interval stop , than new interval start again but old interval cant stop Answer You have two problems. You have var interval inside your function so it gets reset every time the function runs. setTimeout will call a function, once, after a time period. It won’t clear an inte…
How to use Vue router query params in hash mode?
I would like to access URL params in Vue methodology, other than using window.location.href and parsing. router/index.js Answer The code you showed for logging the query params is correct so there is a problem with the route. To create a link in the template, use a <router-link>: To route programaticall…
Making a signup form and login form using express server
So I am basically making a simple website on my localhost that has a signup form and some other html elements. I managed to setup the signup process smoothly. So when the user fills in the form and submits it to the root route(“/”), an email is sent to the subscriber containing a random password u…
disable click button on submit
I try to update this jquery script in pure js (with bootstrap 5). The goal is to not allow someone to click twice on the payment button. Sorry I am not very strong in js. My goal is to have the same reaction that the jquery script. I tried to follow the process on this page : Disabling a button
print array in method in vue.js
I am very new to vue and I wanted to play around with methods a little. What I wanted to try was printing out an array of Strings and this is the method I tried to use: But I get errors because of i and s. I tried a few things but it always either says I didn’t define or
Not able to change value of Global var from inside function
I tried using this solution but it didn’t work for me. In my case I am trying to save a variable using 1 function and call it from another The save_postal_code function logs the correct value, but the get_postal_code function doesn’t. I don’t know what I am doing wrong. Answer You’re r…
Get Leaflet pop up to only show when feature properties are not null
I have GeoJSON data that contains URLs. Not all of the features have url data. I have a pop up which shows the name and a link to the url. I’d like to be able to only show the link to URL when the feature URL is not null but will always show the name as a minimum. My code