正在跳转至 https://babeljs.io/repl#?browsers=defaults%2C%20not%20ie%2011%2C%20not%20ie_mob%2011&build=&builtIns=entry&corejs=3.6&spec=false&loose=false&code_lz=MYGwhgzhAEAKCmAnCB7AdtA3gKGnvw6EALogK7DEqIAUaYAtvADTRgDm8AlFrvgJDEAFgEsIAOnpNoAXmhT4Abj75og0RI7xZbTstUBfPiugkwxEcGjk0NHjlUEiKEPHEgU7GgCIb3riZGqhBgAJ52vKr8hGioru6ePkLwIB4AhP6B2EbYQA&debug=false&forceAllTransforms=true&shippedProposals=false&circleciRepo=&evaluate=true&fileSize=false&timeTravel=false&sourceType=script&lineWrap=true&presets=env&prettier=true&targets=&version=7.13.17&externalPlugins=