运行 ❯
获取您
自身
的网站
×
更改方向
保存代码
更改主题，深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <body> <h1>JavaScript Properties</h1> <h2>The constructor Property</h2> <p>The constructor property returns the constructor function for a variable or an object.</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "john".constructor + "<br>" + (3.14).constructor + "<br>" + false.constructor + "<br>" + 1234n.constructor + "<br>" + {}.constructor + "<br>" + [].constructor + "<br>" + new Date().constructor + "<br>" + new Set().constructor + "<br>" + new Map().constructor + "<br>" + function () {}.constructor; </script> </body> </html>
