Be the first user to complete this post

  • 0
Add to List

querySelector vs getElementById

Get Element By Id

  • It returns a node list which is live, meaning if you add or remove any element from the DOM the node list will update
  • It is faster relative to the query selector methods

Query Selector

  • It returns a node list which was available at the time of the execution
Watch the following video see an example showing the different between two methods.
[youtube https://youtu.be/6Y2T5P5BsfU?t=3m2s]



Also Read:

  1. window vs document
  2. css - vertically align text
  3. Getting started with automation testing for webrtc applications
  4. Applying floats and clearfix to block elements
  5. css specificity interview question