<!DOCTYPE html> <html> <head lang="zh-CN"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title></title> <style> .button { width: 200px; height: 200px; background-color: antiquewhite; margin: 20px; text-align: center; line-height: 200px; } </style> </head> <body> <div class="button">Button</div> <script> "use strict"; var btn = document.querySelector(‘.button‘); var ev = new Event(‘test‘, { bubbles: ‘true‘, cancelable: ‘true‘ }); btn.addEventListener(‘test‘, function (event) { console.log(event.bubbles); console.log(event.cancelable); console.log(event.detail); }, false); btn.dispatchEvent(ev); </script> </body> </html>
<!DOCTYPE html> <html> <head lang="zh-CN"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title></title> <style> .button { width: 200px; height: 200px; background-color: antiquewhite; margin: 20px; text-align: center; line-height: 200px; } </style> </head> <body> <div class="button">Button</div> <script> "use strict"; var btn = document.querySelector(‘.button‘); var ev = new CustomEvent(‘test‘, { bubbles: ‘true‘, cancelable: ‘true‘, detail: ‘tcstory‘ }); btn.addEventListener(‘test‘, function (event) { console.log(event.bubbles); console.log(event.cancelable); console.log(event.detail); }, false); btn.dispatchEvent(ev); </script> </body> </html>
原文：http://www.cnblogs.com/gaocong/p/7844634.html