vscode怎么断点调试

{

  // Use IntelliSense to learn about possible attributes.

  // Hover to view descriptions of existing attributes.

  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387

  "version": "0.2.0",

  "configurations": [

    {

      "type": "chrome",

      "request": "attach",

      "name": "Attach to Chrome",

      "port": 9222,

      "webRoot": "${workspaceRoot}/src",

      "url": "http://localhost:8080/#/",　

      "sourceMaps": true,

      "sourceMapPathOverrides": {

        "webpack:///src/*": "${webRoot}/*"

      }

    }

  ]

}