[j0hnik]

<input type="button" id="button" value="Кнопка" />
 <div id="text"></div>
<script>
var rnd =(min, max)=> Math.floor(Math.random() * (max - min)) + min;
var arr = [' ',',','.'];
  button.onclick = function() {
  	var str = '', i = 1000;
  	while (i--) {
  		var num = rnd(1040, 1107);
  		if(num<=1103) str+= String.fromCharCode(num);
  		else str+= arr[num-1104];
  	}
     text.innerHTML = str;
  };
</script>