as above. I’m trying to make a function to copy text in browser.but the error as title occurred in typescript. the select() is valid I think(link),since I can copy correctly when I use it in a demo. my ts version is 2.8.1 Answer You need to add a type assertion: Reason getElementById can return any HTML…
Tag: javascript
Calling a Self-Executing Function from an Event Listener
Assume this is my only HTML And assume this is my only JavaScript I want to execute a function whenever the input changes, but I also want to execute said function once when the page is loaded (Self-Executing Function or IIFE). Below are 3 examples, 1 of which doesn’t work. The following works as expect…
Vue.js event after condition element is rendered
I need event or some workaround how to access currently appended element with v-if in jQuery with $(“.myTarget”) if I use watch on showEl variable it triggers before element renders and I can’t access that element yet. How to achieve to be able to access .myTarget immediately after it render…
SweetAlert2 syntax error on Internet Explorer 11
I’m using the exactly code of SweetAlert2 examples page: Works fine on Firefox and Chrome, but Internet Explorer shows SCRIPT1002: Syntax Error and not run the script…IE flag this portion as syntax error: Thanks for any help Answer (result) => {} is an arrow function which is completely unsuppo…
If a strict mode function is executed using function invocation, its ‘this’ value will be undefined
I’m getting the following warning when using jshint. Why? If a strict mode function is executed using function invocation, its ‘this’ value will be undefined. Answer Rather than try to suppress the warning, it’s better to address the root cause. Use of this can be confusing, and the va…
How is it possible to transition the position of items in a list without using transform or top/left
The other day I stumbled onto an example that uses Vue.js, but my question is more about the CSS and HTML that Vue uses to achieve the transition between states. The cards temporarily get the class .shuffleMedium-move which adds a transition: transform 1s and the order of the nodes change in the DOM, but I do…
How can I bind Width of another element in Angular 2 – HTML?
I have an input and a table. How can I bind the width of my input to the same width of the table? Something like this? Answer The reference in input tag should be for the <table>’s template variable, not the id. # is not necessary when using it in the expressions. You also need to retrieve the off…
Uncaught (in promise) TypeError: Request failed
I am creating a Progressive Web App for a university project, but when I checked the console I have this error: Uncaught (in promise) TypeError: Request failed – serviceworker.js:1 I don’t understand where this error is coming from. The HTML and CSS are showing on as expected, but when I do a PWA …
How do you add/remove hidden in with JavaScript
How do you add and remove ‘hidden’ from <p hidden>My Text</p>? I tried removing the attribute and setting it to false but neither of them worked. Answer It looks fine here. Try with this code if you wish. index.html script You can see in codePen https://codepen.io/anon/pen/qozVaq
Map and Filter to populate array with objects by id
I need to populate array of ids with objects. In other words I have. Array of ids: And array of objects: Either you can sort array of objects based on ids… Or map array of ids to array of objects. Probably I’d prefer the second option. But my approach just doesn’t work The result shall be: o…