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. getelementbyid ("MSG") is a jquery object. You can use the jquery method.Because the jquery object itself is a set. Therefore, if a jquery object is to be converted to a DOM object, You must retrieve one of them. Generally, you can retrieve it through indexes.For example: $ ("# MSG") [0], $ ("Div "). eq (1) [0], $ ("Div "). get () [1], $ ("TD") [5] are all DOM objects. You can use methods in Dom, but you

://jquery.org.cn/visual/cn/index.xmlWe recommend two good jquery Tutorials: jQuery's starting point tutorial and jQuery's simplified Ajax development. Iv. Syntax summary and precautions 1. Reference of page elementsThe $ () referenced element of jquery includes methods such as id, class, element name, element hierarchy, dom or xpath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the dom. 2. Conversion between jQuery objects and d

1. Reference of page elementsThe $ () referenced element of jquery includes methods such as id, class, element name, element hierarchy, dom or xpath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the dom. 2. Conversion between jQuery objects and dom objects Only jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom obj

1. Reference of page elementsThe $ () referenced element of jquery includes methods such as id, class, element name, element hierarchy, dom or xpath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the dom.2. Conversion between jQuery objects and dom objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom object

1. Reference of page elements The $ () referenced element of jquery includes methods such as id, class, element name, element hierarchy, dom or xpath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the dom.2. Conversion between jQuery objects and dom objects Only jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom obje

Android HandlerThread message loop mechanism source code parsing For HandlerThread, some people may put their fingers on the keyboard, and then they will be able to knock out some gorgeous code immediately: HandlerThread handlerThread = new HandlerThread("handlerThread");handlerThread.start();Handler handler = new Handler(handlerThread.getLooper()){ public void handleMessage(Message msg) { ... }};handler.sendMessage(***); A closer look, n

1. References to page elementsThe $ () reference element in jquery includes methods such as ID, class, element name, and hierarchy of elements and Dom or XPath conditions, and the returned object is a jquery object (a collection object) that cannot directly invoke the DOM-defined method.2. The conversion of jquery object and Dom objectOnly jquery objects can use the method defined by jquery. Note that there is a difference between a DOM object and a jquery object, and the method is invoked with

provided by jquery anywhere on the page. Iii. Learning tutorials and referencesSee jquery Chinese API manual and http://jquery.org.cn/visual/cn/index.xmlWe recommend two good jquery Tutorials: jquery's starting point tutorial and jquery's simplified Ajax development. Iv. Syntax summary and precautions 1. Reference of page elementsThe $ () referenced element of jquery includes methods such as ID, class, element name, element hierarchy, Dom or XPath conditions, and the returned object is a

directly call methods defined by the dom. 2. Conversion between jQuery objects and dom objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom objects or jquery objects.Common dom objects can be converted to jquery objects through $.For example, $ (document. getElementById ("msg") is a jquery object. You can use the jquery method.

methods defined by the dom. 2. Conversion between jQuery objects and dom objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom objects or jquery objects.Common dom objects can be converted to jquery objects through $.For example, $ (document. getElementById ("msg") is a jquery object. You can use the jquery method.Because the jq

1. Reference of page elementsThe $ () referenced element of jquery includes methods such as id, class, element name, element hierarchy, dom or xpath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the dom. 2. Conversion between jQuery objects and dom objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between dom objects and jquery objects. When calling methods, pay attention to dom objec

://jquery.org.cn/visual/cn/index.xmlWe recommend two good jquery Tutorials: jquery's starting point tutorial and jquery's simplified Ajax development. Iv. Syntax summary and precautions 1. Reference of page elementsThe $ () referenced element of jquery includes methods such as ID, class, element name, element hierarchy, Dom or XPath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the Dom. 2. Conversion between jquery objects and D

1. Reference of page elements The $ () referenced element of jquery includes methods such as ID, class, element name, element hierarchy, Dom or XPath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the Dom. 2. Conversion between jquery objects and DOM objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between DOM objects and jquery objects. When calling methods, pay attention to DOM obj

precautions 1. Reference of page elementsThe $ () referenced element of jquery includes methods such as ID, class, element name, element hierarchy, Dom or XPath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the Dom. 2. Conversion between jquery objects and DOM objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between DOM objects and jquery objects. When calling methods, pay attention

1. Reference of page elementsThe $ () referenced element of jquery includes methods such as ID, class, element name, element hierarchy, Dom or XPath conditions, and the returned object is a jquery object (set object ), you cannot directly call methods defined by the Dom. 2. Conversion between jquery objects and DOM objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between DOM objects and jquery objects. When calling methods, pay attention to DOM objec

returned object is a jquery object (set object ), you cannot directly call methods defined by the Dom. 2. Conversion between jquery objects and DOM objectsOnly jquery objects can use methods defined by jquery. Pay attention to the differences between DOM objects and jquery objects. When calling methods, pay attention to DOM objects or jquery objects.Common DOM objects can be converted to jquery objects through $.For example, $ (document. getelementbyid ("M