how to generate random letters and numbers combination in javascript code example

Example 1: how to generate random character from an array js

function makeid() {
  var text = "";
  var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

  for (var i = 0; i < 5; i++)
    text += possible.charAt(Math.floor(Math.random() * possible.length));

  return text;
}

console.log(makeid());

Example 2: how to generate random string in javascript

Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);

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