No doubt that Suspense feature leads to a cleaner code base, but as tidy as it is, it turns to be hard to test. Specifically it is not well documented yet. case: Regular app generated by VUE CLI Tech stack: Vuex, Router, PWA, jest for unit testing Challenge: I made use of Suspense component as recommended as …
Tag: javascript
Images not displaying on dynamic generated content
I’m working on uploading multiple images one at a time by dynamically generating the input field and image element. However, my code doesn’t display the images on the dynamically generated image element. Answer Instead of making event handler for all files use can just one event handler and then i…
How does work LexicalEnvironment and VariableEnvironment?
In first example, I expected to see undefined instead 3. Why does console show 3 in first example? Is it related with LexicalEnvironment and VariableEnvironment? and Answer Why does console show 3 in first example? num is already declared in the environment, as parameter. Hence the var num statement is ignore…
CSS animation triggered through JS only plays every other click
I want to make a simple JavaScript onclick animation. My problem is that when I click onto the button, the animation is executed, but when I click again onto the button, nothing happens. On the third clicks the animation plays again. I want to make that, the animation plays at the second click. Heres my code&…
Display different video source according to screen size
I am trying to load different videos according to the screen size. I found a solution to doing this using javascript. However, I am not able to integrate this code into nuxt.js. Working Code: HTML JAVASCRIPT The Fiddle: https://jsfiddle.net/j78w36er/2/ I tried to integrate like this: I would be very thankful …
Passing dynamic boolean props to a VueJS component
How can I attach dynamic properties to a VueJS Component using VuetifyJS? I have the following VuetifyJS code example that creates a select field element: This creates a functional VuetifyJS select component, however I want to know how to pass the boolean props multiple, attach, chips to the select element as…
How to make summary module that re-exports all the exports of sub-modules for ESM modules?
How do you re-export the exports from multiple files in an ESM module without listing each individual export separately? I have a CommonJS module directory that consists of a number of files that I would like to convert to ESM imports/exports. Currently, I have an index.js file that contains this: This re-exp…
JavaScript triangle wrong direction how to make it correct?
I have a javascript question, I want to make a Triangle like this this is my code which makes opposite direction I wanna use for loop to make this triangle down bellow instead of using “repeat”. Answer You can write it like this: This method can be used in all other programming languages, cause th…
Switch…case in JS
This simple problem gives me an error. Does not get the correct answer. I will be glad if you help. Output: You did not pass Answer this way can you explain why we write true? – Hussein Nadjafli (PO) The JS switch only works on strict equality. is equivalent to in your code you replace the possible values [’x…
How to set the origin for a div?
Let’s say I have a div that follows the mouse cursor on my screen. This is done by handling the document mousemove event and setting its left and top position based on the event data. For this example let’s say it has a width and height of 10. It is desired for it to always be centered on the curs…