isPrototypeOf(new instance); //判断原型的方法
Object.getPrototypeOf(); //根据实例对象获得原型对象
hasOwnProperty(object, 属性);
in // 操作符 判断属性是否在于实例对象和原型对象中
Object.Keys(); //拿到当前对象里的所有keys 返回一个数组
constructor属性: 该属性是不能被枚举(eable = false)
Object.getOwnPropertyNames 枚举对象所有的属性,不管该内部属性能否被枚举
Tuesday, November 24, 2015
Sunday, November 22, 2015
javascript ()
if wanna run a function immediately we can use () to run it. the () is run in Javascript.
function test(){
(function (){
//run me first,
})();
// this one used 2 () to run the function first.
for()....
}
function test(){
(function (){
//run me first,
})();
// this one used 2 () to run the function first.
for()....
}
Saturday, November 21, 2015
symfony1 ajax respones and add component on action
json response:
$this->getResponse()->setHttpHeader('Content-type', 'application/json');
return $this->renderText(json_encode($todo));
function addNewTodo(checklist_id) { var body = jQuery('#todo_body_' + checklist_id).val(); jQuery.ajax({ url: "url_for('checklist/addtodo'); ?>", type: 'POST', data: {'id': checklist_id, 'body': body}, dataType: 'json', beforeSend: function () { jQuery('#indicator').show(); }, success: function (data) { jQuery('#indicator').hide(); } }); return false; }
component in action:
return $this->renderComponent ('checklist', 'checklist_tr', array( 'todo_id' => $todo->getId(), 'todo_status' => false, 'todo_body' => $todo->getBody(), 'project_id' => $project_id));function addNewTodo(checklist_id) { var body = jQuery('#todo_body_' + checklist_id).val(); jQuery.ajax({ url: "url_for('checklist/addtodo'); ?>", type: 'POST', data: {'id': checklist_id, 'body': body}, dataType: 'text', beforeSend: function () { jQuery('#indicator').show(); }, success: function (data) { jQuery('#indicator').hide(); } }); return false; }
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