React random number

Math.random javascript

Math.random() 
// will return a number between 0 and 1, you can then time it up to get larger numbers.
//When using bigger numbers remember to use Math.floor if you want it to be a integer
Math.floor(Math.random() * 10) // Will return a integer between 0 and 9
Math.floor(Math.random() * 11) // Will return a integer between 0 and 10

// You can make functions aswell 
function randomNum(min, max) {
	return Math.floor(Math.random() * (max - min)) + min; // You can remove the Math.floor if you don't want it to be an integer
}

React random number

      function Random(props) {
        var maxNumber = 45;
        var randomNumber = Math.floor((Math.random() * maxNumber) + 1);
        return <div>{randomNumber}</div>;
      }

Math.random every number no range

int jj = reader.nextInt();

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Const userMessage Reaction = new UserMessage Reaction({ _id: mongoose.Types.ObjectId(), userId: "USERID", userName: "TESTUSERNAME", messageId: "TESTMESSAGEID", time: "TESTTIME" });
Javascript React