script09.js

来自「图灵程序设计丛书 JavaScript基础教程源代码」· JavaScript 代码 · 共 27 行

window.onload = initAll;

function initAll() {
	for (var i=0; i< document.forms[0].elements.length; i++) {
		var thisElement = document.forms[0].elements[i];
		
		if (thisElement.type == "button") {
			thisElement.onclick = saySomething;
		}
	}
}

function saySomething() {
	switch(this.value) {
		case "Lincoln":
			alert("Four score and seven years ago...");
			break;
		case "Kennedy":
			alert("Ask not what your country can do for you...");
			break;
		case "Nixon":
			alert("I am not a crook!");
			break;
		default:
	}
}