Safari 5.1 prompt() function and cancel

Question

In most browsers (including older versions of Safari), the Javascript prompt function returns null when the user clicks \"Cancel\", and the empty s

Answer 1

I tryed and this worked for me

    var location="";
    var p=prompt("type your location",location ); 

if(p!==null)   {    location = p;    alert("ok do query");   }