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测试

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netsfly

#1 Created at ... [Delete] [Delete and Lock User] 
// 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')[1].getElementsByTagName('p');

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