首选项====>配置代码片段 ====>新建全局代码片段 (也可以选择你的语言 为了避免有的时候不生效 选择全局代码)

{"console.log": { //名字"prefix": "log",//prefix 快捷键 ： log"body": ["console.log('$1');", //body 快捷键内容"$2"],"description": "Log output to console" //description 描述},"Arrow function": {"prefix": "cb","body": ["($1) => {","$2","}"],"description": "jiantou function"},"Async Arrow Function": {"prefix": "aaf","body": ["const ${1:fnName} = async ($2) => {","  $3","};"],"description": "Async Function"}
}