jQuery – Run PHP script by POST

$(„button.send-form-data“).click(function () {     var book = $(„#form-book“).val();     var price = $(„#form-price“).val();     var writer = $(„#form-writer“).val();     $.post(„any_script.php“,     {         book: book,         price: price,         writer: writer     })     .done(function (data) {         alert (data);     })     .fail(function () {         alert (‚Error!!!‘);     }); });