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课后作业:

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// 获取<p>javascript</p>节点:

var js = document.getElementById('test-js');

// 修改文本为JavaScript:

js.innerHTML = 'JavaScript';

js.innerText = 'JavaScript';

js.textContent = 'JavaScript';

// 修改CSS为: color: #ff0000, font-weight: bold

js.style.color = '#ff0000';

js.style.fontSize = '20px';

js.style.fontWeight = 'bold';


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