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JavaScript Destructuring 解构赋值
tryjs_object_destruct2
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<!DOCTYPE html> <html> <body> <h1>JavaScript Objects</h1> <h2>Object Destructuring</h2> <p id="demo"></p> <script> // Create an Object const person = { firstName: "John", lastName: "Doe", age: 50 }; // Destructuring let {firstName, lastName, country = "US"} = person; // Display Primitive Values document.getElementById("demo").innerHTML = firstName + " " + lastName + " " + country; </script> </body> </html>