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並前往https://www.javascripttutorial.net/javascript-dom/javascript-get-child-element/

Get the First Child, Last Child, and All Child Elements

getElementById ('menu'); console.log(content. ... <li class="first">Home</li> ... First, select the #menu element by using the getElementById() method.

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查詢 「getElementById class」的人也找了：

  1. getElementsByClassName
    2.
  2. getElementById
    3.
  3. getElementsByTagName
    4.
  4. document.getelementbyid value
    5.
  5. Element class
    6.
  6. querySelector
    7.
  7. getElementsByClassName forEach
    8.
  8. getElementsByClassName value
    9.