主页
JavaScript
JavaScript Set 集合
tryjs_set_typeof
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <h1>JavaScript Sets</h1> <h2>The typeof Operator</h2> <p>The typeof operator returns object</p> <p id="demo"></p> <script> // Create a new Set const letters = new Set(["a","b","c"]); // Display typeof document.getElementById("demo").innerHTML = "The type of the set is " + typeof letters; </script> </body> </html>