javascript confirmation alert code example

Example 1: alert confirm prompt javascript

if (confirm("Press a button!")) {
    console.log("Accepted")
  } else {
    console.log("Declined")
  }

Example 2: javascript prompt

var person = prompt("Please enter your name", "Harry Potter");

if (person != null) {
  document.getElementById("demo").innerHTML =
  "Hello " + person + "! How are you today?";
}

Example 3: javascript alert

alert("string");