摘要:
Built-in core modules of Node.js can be referred to by the ‘magic name’ <node_internals> in a glob pattern. The following example skips all internal m 阅读全文
摘要:
1. let a = new Promise((resolve,reject)=>{ return 23 }) a; // promise <pending> 2. let a = new Promise((resolve,reject)=>{ Promise.reject(234) }) a; / 阅读全文
摘要:
如果promise中 reject的错误没有被捕获到就会报这个错误 // Uncaught (in promise) 未被捕获 let a = new Promise((resove,reject)=>{ reject(1) } // ok 因为后面有(err)=>{} 这段捕获语句 let a = 阅读全文