Scripts: async & defer with DOMContentLoaded | JS , HTML
Автор: DEV19
Загружено: 2022-12-25
Просмотров: 467
Notes :
DOMContentLoaded
it is triggered when all content is loaded ( before rendering with some excpetion)
Normal Case
line by line execution
for script tag DOMContentLoaded will not wait
async and defer = async load
async Case
script tag loads independetly and executes independetly
DOMContentLoaded and async scripts don’t wait for each other:
defer case
script tag loads independetly and executes when the DOM is ready
DOMContentLoaded event handler waits for the deferred script. It only triggers when the script is downloaded and executed.
#coding #javascript #async #defer #javascript
#html #script #DOM #AkshaySaini
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