how should I define an index variable when angular material table is used as ngFor is not used in this table. I did search for it in the documentation but index is not mentioned any where in it. where and how do i define an index variable for the array that I used in this table, so that I can
Tag: javascript
Hackerrank Compare the Triplets Javascript
I’m aware that there is already a thread on this topic, however I’m just wondering why this solution isn’t working for HackerRank’s “Compare the Triplets” problem? I’m only getting an output of 1 when it should be 1 1. The problem states that if a0 > b0, a1 > b1, or a2 > b2 (and vice versa), the result should
JQuery overrides checkbox functionality
I’m making a web app, and one of it’s aspects is a to do list. The problem with the todo list is that when I click the checkbox, it doesn’t get checked. I researched a bit and found that jQuery basically overrides the click event necessary to display the checkbox as checked. However, I’ve tried various solutions throughout the web,
PHP: How to allow users to change background color of their profile?
I have made a social networking site. One of the feature I would like to add is to allow users to change the background image of their profile.I have written javascript for it, but once I change background image of one user, all users background change to that image. What should I do to avoid this. Javascript Code for switching
Render custom template into Vue.js render function
Can Vue render function receive part template from outer? If there is a render function like bellow: the custem_form such as like bellow: or whatever the javascript-type that can explain as a form. I want put it as the custom_form, and then render into the div (you see the custom_form_modal). Is there a way to realize this? EDIT-1 I render
Update the attribute value of an object using the map function in ES6
I am trying to code this in ES6. Below is what I am trying to achieve. Let’s say I have an array of objects called schools. Now, I want to write a function called editSchoolName which will take 3 parameters, schools (which is the array I have defined above), oldName and name. I will pass the name of the school
Vue.js – Disable submit button unless original form data has changed
I have a simple form which I have created just for experiment purpose. I am trying to keep the button disable unless original form data is changed but still keep the button disabled if the data changes is reverted back to original data (undo). I found a jQuery solution here but I am looking for vanilla/vue javascript solution. Answer Here’s
Can’t install any NPM package, error 4058
I’m trying to install Grunt on my project. It used to work perfectly, but now for some reason, it does not. Every time i try to install Grunt, I got this error: The weird thing is that the missing package change every time. I try verifying the cache, removing the node_modules folder, cleaning the cache using –force. Uninstall NPM and
Copy current URL to clipboard
Not sure why this has been so difficult for me today, but for some reason I cannot seem to get it to copy the current URL to the clipboard. Overall, I’m looking for a way to do it without needing to create some hidden text elements. This is what I’m trying so far: When I try to go about it
Jest TypeError: fetch is not a function
I have the following Jest test code to test a fetch to an endpoint: But I am getting: I know that the movieApiService.getPopularMovies() is a JavaScript fetch request, but Node.js does not have the fetch API, so how I can I make this test to work using Jest? Answer I can’t test this with the code you supply, but installing