<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="js/jquery-1.11.3.js" ></script> </head> <body> <div class="test1">12123</div> <script> var obj1 = document.getElementsByClassName("test1"); var obj2 = document.querySelector(".test1"); var $obj3 = $(".test1") console.log(obj1,$(obj1)) console.log(obj2,$(obj2)) console.log($obj3) </script> </body></html>1.dom對象就是js對象么？2.obj1和obj2是一樣的嗎？3.(obj1)，(obj2)和$obj3這三個是什么關系？相等的嗎？還是？謝謝
求解dom,js和jq對象轉換的一些問題
慕虎7371278
2018-12-19 18:23:19