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Tag: javascript

How to properly add a button to a div in javaScript

Im making a baisc CRUD app and am having trouble with my delete and edit buttons. I can add the delete button to the main container but cannot add it to the comment within the container. The button works however I cannot for the life of me figure out why when I try to append it to the div that

Why does this html element has only 1 key according to js?

I’m reading the book road to react. A List (react component) function returns this element: Item is again another react component, which is defined as The strangest thing to me is that I would expect props to have two properties: key and item. However, the console only shows: properties of Item Element:…

Show and hide div in react js

How do I hide my page “section” when I click on a button. and show it another button is clicked Here’s my code how do i make the onClick event work it out? Answer Just set a state let’s call it for example hide and set default value false, and on the button click turn it to true. And y…

Merge 2 arrays of object based on specific object key

I have 2 arrays which is contains same id with different value (inside selected) My goal is to merge both become 1 array. When I use spread operator like this: It comes the data being override First array Second array How can I make both of arrays become 1 ? the expected result: What am I doing wrong in the

How to upload image without refreshing

I’m trying to create an image uploader that can can upload an image and display it in another div. So far I have been able to display the image but let’s say I change my mind and backspace the image(which deletes the image) and then again when i try to upload the second time around(without refresh…