Hi, I have a simple form with a sum.
Sum is 4 + 1 = … the answer will of course be 5.
Does any one know of a simple tutorial where a specific number can be entered into a text field. If number is incorrect it pops up a simple error box.
Any help would be great. Thanks
<form action="..." id="my-form"> <div> <label for="sum">Sum is 4 + 1 =</label> <input type="text" id="sum"> <input type="submit" value="Submit"> </div> </form>
var form = document.getElementById("my-form"); form.onsubmit = function () { var sum = document.getElementById("sum"); if (sum.value !== "5") { alert("Wrong answer!"); return false; } return true; };
Worked an absolute charm, thank you very much