Im working elequent javascript element by tag name chap 14 I am a little confused what is going on by a few lines and not sure what is going on if you could clearly explain the check function, which im getting confused with I really really would appreciate it thank you i would appreciate if you could comment on each line so i could see what is going on im not sure if my comments is right the TagName function takes in a structure and what to check for function byTagName(node, tagName) change everything to lowercase to compare tagName tagName toLowerCase() create a array to contain all the found elements var tagFound the check function will loop through the structure function check(node) loop through how ever many childNodes there are for (var i 0 i node childNodes length i ) what is going on on this line var childN node childNodes i what is being done on this line if (childN nodeType document ELEMENT NODE) if there is a node with the tagName, push it into the tagFound array if (childN nodeName tagName) tagfound push(childN) call the function again check() return tagFound Heading with a span element A paragraph with one , two spans function byTagName(node, tagName) Your code here console log(byTagName(document body, h1 ) length) 1 console log(byTagName(document body, span ) length) 3 let para document querySelector( p ) console log(byTagName(para, span ) length) 2

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Question: Im working elequent javascript element by tag name- chap 14. I am a little confused what is going on by a few lines and not

Im working elequent javascript element by tag name- chap 14. I am a little confused what is going on by a few lines and not sure what is going on. if you could clearly explain the check function, which im getting confused with- I really really would appreciate it. thank you

i would appreciate if you could comment on each line so i could see what is going on. im not sure if my comments is right

Heading with a span element.

A paragraph with one, two

spans.

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