emmet is not working in vscode code example

Example 1: html emmet in react vscode

{   "emmet.includeLanguages": {      "javascript": "javascriptreact"   }}

Example 2: how to add custom snippets in emmet in visual studio code

"Console log": {
    "prefix": "clog",
    "body": "console.log('$1');",
    "description": "Log output to console"
}