按书上成功的代码如下:
function popUp(winURL) {
window.open(winURL,"popUp","width=320,height=480");
}
window.onload = function() {
if (!document.getElementsByTagName) return false;
var links = document.getElementsByTagName("a");
for (var i=0; i<links.length; i++) {
if (links[i].getAttribute("class") == "popup") {
links[i].onclick = function() {
popUp(this.getAttribute("href"));
return false;
}
}
}
}
function popUp(winURL) {
window.open(winURL,"popUp","width=320,height=480");
}
window.onload = function() {
if (!document.getElementsByTagName) return false;
var links = document.getElementsByTagName("a");
for (var i=0; i<links.length; i++) {
if (links[i].getAttribute("class") == "popup") {
links[i].onclick = function() {
popUp(this.getAttribute("href"));
return false;
}
}
}
}