// 选择<p>JavaScript</p>: var js =document.querySelector('#test-p'); // 选择<p>Python</p>,<p>Ruby</p>,<p>Swift</p>: var arr = document.querySelectorAll('div.c-red.c-green > p'); // 选择<p>Haskell</p>: var haskell = document.querySelector('div.c-green:last-child > p:last-child');
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