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NotFatCat

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// 选择<p>JavaScript</p>:
var js = document.getElementById('test-p');

// 选择<p>Python</p>,<p>Ruby</p>,<p>Swift</p>:
var arr = document.getElementsByClassName('c-red c-green')[0].children;


// 选择<p>Haskell</p>:
var haskell = document.getElementsByClassName('c-green')[1].lastElementChild;

NotFatCat

#2 Created at ... [Delete] [Delete and Lock User]

https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementsByClassName

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