// 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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// 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';