​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>Element 对象</h1>
​
<h2>textContent 属性</h2>
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<button id="myBtn">试一试</button>
​
<p>按钮的文字内容是：</p>
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<p id="demo"></p>
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<script>
let text = document.getElementById("myBtn").textContent;
document.getElementById("demo").innerHTML = text;  
</script>
​
</body>
</html>
​