message box javascript code example

Example 1: how to make an alert in html

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

Example 2: javascript alert

alert("string");

Example 3: how to make alert in javascript

alert("Alert")

Example 4: alert in js returb value or not

Alert in JS doesn't return anything -- it just Displays Message

Example 5: js alerts

3 types of JS Alerts

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