is-dom | Check if the given object is a dom node
kandi X-RAY | is-dom Summary
kandi X-RAY | is-dom Summary
Check if the given object is a dom node
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QUESTION
I get how virtual-dom batches DOM manipulations to enhance performance. However I have seen some posts saying virtual-dom is fast because it is in-memory representation
of actual DOM.
I have read this ANSWER. It says:
on the other hand real DOM has to be accessed from page and loaded to memory for any operation.
does this mean that browser's real DOM is not in memory? If browser's DOM is also in-memory
, what makes virtual dom's in-memory
special?
ANSWER
Answered 2021-Mar-12 at 23:51Virtual DOM is just a javascript object in memory. While DOM is also mainly in memory (no in disk and on the cloud), it's a complex system with many parts connected.
The difference is that DOM is slow. Manipulating DOM involves many other tasks (https://stackoverflow.com/a/6817110/8810271). Manipulating a virtual DOM without other tasks is no more than a javascript object, which is much faster than element.innerHTML=x
.
But remember you still need to manipulate DOM after diffing virtual DOM, to make changes take effect. And it isn't always faster.
QUESTION
I am using jQuery's autocomplete widget and am trying to use it on multiple elements on the same page and pull in their individual attributes dynamically, rather than having to make a separate unique call for each search box. Each search box has a class of autocomplete-search
and contains some data
attributes specific for its use case.
For example:
...ANSWER
Answered 2018-May-02 at 12:33You're calling the autocomplete
widget on multiple elements.
As far as I know, you can't tell the widget to select a dynamic source for every element.
Another way would be to loop through your elements and call the autocomplete
inside that loop using jQuery .each()
function :
QUESTION
If I click on the first "Edit" I get a console.log('click happend')
But if I add a one of these boxes via javascript (click on "Add box") and then the Edit click
from this new box does not work. I know it's because the javascript run when the element was not there and that's why there is no click event listener. I also know with jQuery I could do like so:
ANSWER
Answered 2017-Jul-31 at 14:21You can do something like this...
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