var url = location.href;
var browser_name = navigator.userAgent;
if(browser_name.indexOf('Chrome')!=-1){
alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“chrome://settings/browser”，进行主页设置。")
};
try {
this.style.behavior = "url(#default#homepage)";
this.setHomePage(url);
} catch (e) {
if (window.netscape) {
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
} catch (e) {
alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将
[signed.applets.codebase_principal_support]的值设置为'true',双击即可。");
return false;
} var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
prefs.setCharPref('browser.startup.homepage',url);
}
}
return false;
-----------------------------或者------------------------------------------
<a onclick="this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.baidu.com');" href="">设为首页</a>