JSFiddle - React, Tailwind, and code Playground

HTML

<p id="p3"></p>

JavaScript

chars = ['س', 'و', 'ا', 'ی', 'ل', 'م', 'د', 'ر'];

howManyWords = 4;
howManyCharUtmost = 5;

var words = [];
for (var i=howManyWords; i>0; i--){
	randInt = getRandomInt(1,howManyCharUtmost);
	var word = "";
	for (var j; randInt>=1; randInt--){
		word += chars[Math.floor(Math.random()*chars.length)];
 	}
  words.push(word);
}

document.getElementById("p3").innerHTML = words;

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min + 1)) + min;
}