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1. Reference to page elements using jquery $ () to reference elements, including IDs, classes, element names, hierarchical relationships of elements, Dom or XPath conditions, the returned object is a jquery object (set object) and cannot directly call the dom-defined method. 2. Conversion between jquery and DOM objects only jquery objects can use jquery-defined methods. Pay attention to the differences between DOM objects and jquery objects. When calling methods, pay attention to DOM o

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 ("MSG") is a jqu

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 objec

. 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

. Summary of grammar and matters needing attention 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 objec

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 a DOM object or a jquery object in mind.Ordinary DOM objects can generally be converted to jquery objects by $ ().such as: $ (document.getElementById ("

1. References to page elementsThe $ () reference element through jquery includes methods such as the ID, class, element name, and the hierarchy of elements and Dom or XPath conditions, and the returned object is a JQuery object (collection Object) and cannot be called directly by the DOM-defined method.2. The conversion of JQuery objects to DOM objectsOnly jquery objects can use the method defined by jquery. Note that DOM objects are different from jquery objects, and you should be aware of whet

starting point tutorial and jQuery's simplified Ajax development.(Note: The above documents are included in [appendix) Iv. Syntax summary and precautions 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 object

JavaScript Application and can be used in different Web applications. References to 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. Conversion between jQuery objects and dom objects Only jquery objects can use methods defined by jquery. Pay attention to the differences between do

object is a JQuery object (collection Object) and cannot be called directly by the DOM-defined method.2. The conversion of JQuery objects to DOM objectsOnly jquery objects can use the method defined by jquery. Note that DOM objects are different from jquery objects, and you should be aware of whether you are manipulating DOM objects or jquery objects when calling methods.Ordinary DOM objects can generally be converted to jquery objects by $ ().such as: $ (document.getElementById ("

Daquan:http://wenku.baidu.com/link?url=-6_zkCXCoxYLHOU5r2djBZkRtLCmYfXCdpRePOk__ H-mxjrz7fdvrasyqlbchti9ifzy7mppunqm7ggyjhj3m5dnv1l9zm02llict-e9qa31. References to page elementsThe $ () reference element through jquery includes methods such as the ID, class, element name, and the hierarchy of elements and Dom or XPath conditions, and the returned object is a JQuery object (collection Object) and cannot be called directly by the DOM-defined method.2. The conversion of JQuery objects to DOM object

objectsOnly jquery objects can use the method defined by jquery. Note that DOM objects are different from jquery objects, and you should be aware of whether you are manipulating DOM objects or jquery objects when calling methods.Ordinary DOM objects can generally be converted to jquery objects by $ ().such as: $ (document.getElementById ("MSG")) is a jquery object, you can use the method of jquery.Because the jquery object itself is a collection. So

1. References to page elementsThe $ () reference element through jquery includes methods such as the ID, class, element name, and the hierarchy of elements and Dom or XPath conditions, and the returned object is a JQuery object (collection Object) and cannot be called directly by the DOM-defined method.2. The conversion of JQuery objects to DOM objectsOnly jquery objects can use the method defined by jquery. Note that DOM objects are different from jquery objects, and you should be aware of whet

(collection Object) and cannot be called directly by the DOM-defined method.2. The conversion of JQuery objects to DOM objectsOnly jquery objects can use the method defined by jquery. Note that DOM objects are different from jquery objects, and you should be aware of whether you are manipulating DOM objects or jquery objects when calling methods.Ordinary DOM objects can generally be converted to jquery objects by $ ().such as: $ (document.getElementById ("M