html alert with yes no code example

Example 1: javascript confirm yes no

var proceed = confirm("Are you sure you want to proceed?");
if (proceed) {
  //proceed
} else {
  //don't proceed
}

Example 2: js alert yes no

if (confirm('Are you sure you want to donate to Andrew Hyder?')) {
  // true (paypal.me/andrewdhyder)
} else {
  // false
}

Example 3: javascript option yes/no popup

if (confirm('Are you sure you want to save this thing into the database?')) {
  // Save it!
  console.log('Thing was saved to the database.');
} else {
  // Do nothing!
  console.log('Thing was not saved to the database.');
}