lovecoding
/
W0407


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>
        时间:
        <span></span>
        <span></span>
        <span></span>
        <div id="box">
            <!-- 今天<span>天气真好</span> -->
        </div>
    </div>
    <script>
        var spans = document.querySelectorAll("span");
        spans[0].innerText = '你好'
        spans[1].innerText = 'aaa'
        spans[2].innerHTML = 'ccc'
        console.log(spans)
        // innerText 只操作文本 会忽略html标签
        // innerHTML 操作html标签 并渲染
        var box = document.getElementById("box");
        console.log(box);
        // console.log(box.innerText)
        // console.log(box.innerHTML)
        // box.innerText = '<h1>你好</h1>'
        box.innerHTML = '<h1 style="color:red">你好</h1>'
    </script>
</body>
</html>