Saturday 15 June 2013

dom - Javascript querySelector vs. getElementById -



dom - Javascript querySelector vs. getElementById -

i have heard queryselector & queryselectorall new, , better, methods select dom elements. true?

are queryselector & queryselectorall improve getelementbyid & getelementsbyclassname?

which should using? i'm new web programming! give thanks you!!!

"better" subjective.

queryselector newer feature.

getelementbyid improve supported queryselector.

queryselector improve supported getelementsbyclassname.

queryselector lets find elements rules can't expressed getelementbyid , getelementsbyclassname

you need pick appropriate tool given task.

(in above, queryselector read queryselector / queryselectorall).

javascript dom

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