// Take an input and rewrite it to a friendly-url-like-this
1 2 <script type="text/javascript"> 3 4 // Store the current title value 5 var title = 'This is a title with a symbol &' 6 7 // alert(title); // debug 8 9 // Clean up the title 10 var url = title 11 .toLowerCase() // change everything to lowercase 12 .replace(/^\s+|\s+$/g, "") // trim leading and trailing spaces 13 .replace(/[_|\s]+/g, "-") // change all spaces and underscores to a hyphen 14 .replace(/[^a-z0-9-]+/g, "") // remove all non-alphanumeric characters except the hyphen 15 .replace(/[-]+/g, "-") // replace multiple instances of the hyphen with a single instance 16 .replace(/^-+|-+$/g, "") // trim leading and trailing hyphens 17 ; 18 19 alert(url); // outputs 'this-is-a-title-with-a-symbol' 20 21 </script>
