random color generator javascript

JavaScript
function generateRandomColor() {
  var letters = '0123456789ABCDEF';
  var color = '#';
  for (var i = 0; i < 6; i++) {
    color += letters[Math.floor(Math.random() * 16)];
  }
  return color;
}

var randomColor=generateRandomColor();//"#F10531"var randomColor = '#'+Math.floor(Math.random()*16777215).toString(16);
//generates a random color -> #56eec7var r = () => Math.random() * 256 >> 0;
var color = `rgb(${r()}, ${r()}, ${r()})`;var randomColor = Math.floor(Math.random()*16777215).toString(16);//Javascript
function randomColor(){
    var color = "#";
    var randomHex = "123456ABCDEF";  
    for(var i = 0; i<6;i++){
        color+= randomHex[Math.floor(Math.random()*16)]
    }
   
    return color;
}

var mytimer ;

function setColor(){
    
    $("body").css("background-color", randomColor);
}

var mytimer = setInterval(setColor, .8000);
// html
!DOCTYPE html>
<html>
	<head>
		<title>Page Title</title>
		<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

	</head>
	<body>
	       
	   //include javascript file.  
	</body>
</html>function get_random_color() 
{
    var color = "";
    for(var i = 0; i < 3; i++) {
        var sub = Math.floor(Math.random() * 256).toString(16);
        color += (sub.length == 1 ? "0" + sub : sub);
    }
    return "#" + color;
}

function get_rand_color()
{
    var color = Math.floor(Math.random() * Math.pow(256, 3)).toString(16);
    while(color.length < 6) {
        color = "0" + color;
    }
    return "#" + color;
}
Source