Shulou(Shulou.com)06/03 Report--

Document.querySelector ('.btn1'). Onclick = () = > {setTimeout (()) = > {console.log (button)}, 0)} document.querySelector ('.btn2'). Onclick = () = > {new Promise ((resolve) Reject) = > {reject ({msg: 'test.js promise is error'})} document.querySelector (' .btn3'). Onclick = () = > {throw ('this is an error thrown manually')} "how to do data acquisition and data reporting" ends here Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.