confirm alert javascript 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: 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: confirm javascript

if (window.confirm("Une nouvelle fenêtre va s'ouvrir.")) {
    window.open("fenetre.html", "Nouvelle fenêtre", "");
}

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