Does the DOM have a hash-table of elements whose keys are the elements' ids?
I want to know if document.getElementById looks up a hash table or traverses the entire tree.
Is this behavior different across browsers?
Source: Tips4all
Ccna final exam - java, php, javascript, ios, cshap all in one. This is a collaboratively edited question and answer site for professional and enthusiast programmers. It's 100% free, no registration required.
Thursday, April 19, 2012
Javascript getElementById lookups - hash map or recursive tree traversal?
Source: Tips4all
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