js confirm

1var proceed = confirm("Are you sure you want to proceed?");
2if (proceed) {
3  //proceed
4} else {
5  //don't proceed
6}

1// The confirm function is used to display a dialog with ok and cancel. Usage:
2
3var content = confirm("Hello"); // The "hello" means to show the following text
4if (content === true) {
5  // Do whatever if the user clicked ok.
6} else {
7  // Do whatever if the user clicks cancel.
8}
9
10// You can also use window.confirm()

1$("#complexConfirm").confirm({
2    title:"Delete confirmation",
3    text:"This is very dangerous, you shouldn't do it! Are you really really sure?",
4    confirm: function(button) {
5        alert("You just confirmed.");
6    },
7    cancel: function(button) {
8        alert("You aborted the operation.");
9    },
10    confirmButton: "Yes I am",
11    cancelButton: "No"
12});

1var person = prompt("Please enter your name", "Harry Potter");
2
3if (person != null) {
4  document.getElementById("demo").innerHTML =
5  "Hello " + person + "! How are you today?";
6}

1if (window.confirm("Une nouvelle fenêtre va s'ouvrir.")) {
2    window.open("fenetre.html", "Nouvelle fenêtre", "");
3}

1onclick="if (! confirm('Deseja mesmo deletar o arquivo links.html?')) { return false; }"