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<!DOCTYPE html> <html> <body> <h1>JavaScript 运算符</h1> <h2>delete 运算符</h2> <p>删除 color 属性后，myCar.color 的值是：</p> <p id="demo"></p> <script> const myCar = {type:"Fiat", model:"500", color:"white"}; delete myCar.color; document.getElementById("demo").innerHTML = myCar.color; </script> </body> </html>