<form> <input type="button" id="taro" value="TARO"> <input type="button" id="jiro" value="JIRO"> </form>

function greet(event) { alert(event.data.name + "です。" + event.data.birth + "出身です。"); } $("#taro").on("click", {name: "太郎", birth: "東京"}, greet); $("#jiro").on("click", {name: "次郎", birth: "埼玉"}, greet);