// 创建div
var createWindow = function(){
var div = document.createElement("div");
div.innerHTML = "我是弹窗内容";
div.style.display = 'none';
document.body.appendChild(div);
return div;
};
// 创建iframe
var createIframe = function(){
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
return iframe;
};
// 获取实例的封装代码
var getInstance = function(fn) {
var result;
return function(){
return result || (result = fn.call(this,arguments));
}
};
// 测试创建div
var createSingleDiv = getInstance(createWindow);
document.getElementById("Id").onclick = function(){
var win = createSingleDiv();
win.style.display = "block";
};
// 测试创建iframe
var createSingleIframe = getInstance(createIframe);
document.getElementById("Id").onclick = function(){
var win = createSingleIframe();
win.src = "http://cnblogs.com";
};
