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1. vanilla-ajax.js vanilla-ajax.js

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   /**

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    * Usage:

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    * makeRequest("GET", "URL_GET_JSON", { postId: 1})

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    *  .then(data => {

2. launch.json launch.json

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   {

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       "version": "0.2.0",

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       "configurations": [

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           {

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               "name": "Spark Serve",