<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <script type="text/javascript"> function a(){ var start = 0; function b(){ return start++; } return b; } var inc = a(); console.log(inc()); console.log(inc()); console.log(inc()); </script> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <script type="text/javascript"> function Person(name){ var age; function setAge(n){ age = n; } function getAge(){ return age; } return { name:name, setAge:setAge, getAge:getAge } } var p1 = Person('ssj'); p1.setAge(22); console.log(p1.getAge()); </script> </body> </html>