children : 자식정보확인 childnode : white space포함 정보 확인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Document window.onload=function(){ let lst=document.getElementsByClassName('menu'); let chlst=lst[0].children; console.log(chlst); //li,li,li,li 출력 console.log(chlst.length); let chlst2=lst[0].childNodes; console.log(chlst2); //text, li, te..