how to make an alert in javascript code example

Example 1: how to make an alert in html

<script>
  alert('this is an alert');
</script>

Example 2: simple alert program in javascript

alert("this is the alert")

Example 3: how to send an alert in javascript

//you can either do this:

function mousePressed() {
	//you can have any message
  alert("I'm the best");
}

//or you can do this:

function keyPressed() {
	//you can do any key
  if (keyCode === UP_ARROW) {
  	//and any message
    alert(number = random(0, 500));
  }
}

//or you can do an (if) statement

if(x > width) {
 	alert("yay you did it");
}

Example 4: javascript alert

alert("string");

Example 5: javascript alert

alert(varible);

Example 6: java script alerts

- Information : You can only accept.
            - Confirmation: You can accept or decline.
            - Prompt    : You can accept, decline, and/or sendKeys.