How to Type Emoji 👍 in VS Code in 2020 | VS Code Emoji Extension
Step by Step on How to type emoji on VS Code
1: Open VS Code IDE
2: Click on the Extension Tab 
3: search for :emojisense
4: Instal it 
Now, you have to edit the .json file to make it work perfectly
5: Go to setting
6: click on the extension tab
7: click on :emojisense
8: now on the right side of the screen, click on Edit in setting.json file
then add  
"emojisense.languages": {
    "plaintext": {
      "markupCompletionsEnabled": true,
      "emojiDecoratorsEnabled": true
    },
    "javascript.validate.enable": false,
    "abap": true,
    "bat": true,
    "bibtex": true,
    "clojure": true,
    "coffeescript": true,
    "c": true,
    "cpp": true,
    "csharp": true,
    "css": true,
    "diff": true,
    "dockerfile": true,
    "fsharp": true,
    "git-commit": true,
    "git-rebase": true,
    "go": true,
    "groovy": true,
    "handlebars": true,
    "html": true,
    "ini": true,
    "java": true,
    "javascript": true,
    "javascriptreact": true,
    "json": true,
    "jsonc": true,
    "latex": true,
    "less": true,
    "lua": true,
    "makefile": true,
    "markdown": true,
    "objective-c": true,
    "objective-cpp": true,
    "perl6": true,
    "php": true,
    "powershell": true,
    "jade": true,
    "python": true,
    "r": true,
    "razor": true,
    "ruby": true,
    "rust": true,
    "scss": true,
    "sass": true,
    "shaderlab": true,
    "shellscript": true,
    "sql": true,
    "swift": true,
    "typescript": true,
    "typescriptreact": true,
    "tex": true,
    "vb": true,
    "xml": true,
    "xsl": true,
    "yaml": true
  }