js create id code example

Example 1: random id js

var ID = function () {
  // Math.random should be unique because of its seeding algorithm.
  // Convert it to base 36 (numbers + letters), and grab the first 9 characters
  // after the decimal.
  return '_' + Math.random().toString(36).substr(2, 9);
};

Example 2: create element javascript with id

var btn = document.createElement('div'); 
btn.setAttribute("id", "div1");

Example 3: js generate id

var id = "id" + Math.random().toString(16).slice(2)

Example 4: generate id js

Math.floor(Math.random() * 100)
//the bigger the number the bigger the output

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Javascript Example

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