Edit in JSFiddle

var text = "";
var i;
for (i = 0; i < 10; i++) {
  if (i === 3) {
    break;
  }
  text += "The number is " + i + "<br>";
}
document.getElementById("demo1").innerHTML = text;

var text2 = "";
for (i = 0; i < 10; i++) {
  if (i % 3 == 0) {
    continue;
  }
  text2 += "The number is " + i + "<br>";
}
document.getElementById("demo2").innerHTML = text2;

<h4>break;</h4>
<div id="demo1">
  
</div>
<h4>continue;</h4>
<div id="demo2">
  
</div>