調試步驟:node
1.安裝nodejsweb
2.安裝vscodechrome
3.vscode安裝debugger for chrome插件npm
4.選擇調試->打開調試配置,選擇chrome配置,打開lauch.json,修改以下:json
{ "version": "0.2.0", "configurations": [ { "type": "chrome", "request": "launch", "name": "Launch Chrome against localhost", "url": "http://localhost:4200", "webRoot": "${workspaceRoot}" } ] }
5.啓動項目:npm start瀏覽器
6.vscode打開app.component.ts組件,在app.component.ts的constructor函數中設置斷點,在自動打開的瀏覽器中刷新頁面(http://localhost:4200),vscode自動中止斷點位置。app
7.在vscode的調試控制檯中輸入this.title,查看組件的變量值函數