rewards4u msg

1. The $ () 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 whether you are manipulating DO

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 jquery object itself is a set. Therefore, if a jquery object is to be conve

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

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 jquery object itself is a set. Therefore, if a jquery object is to be converted to a dom objec

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 jquery object itself is a set. Therefore, if a jquery objec

1. References to page elements The $ () 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 object Only 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 invoke

1. References to page elements The $ () 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 object Only 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 invoke

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 ("MSG") is a jquery object, you can use the method of jquery. Because

JQuery and jquery 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

Applicable to: trainees who have some knowledge about jquery. 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 jq

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 ("MSG") is a

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. 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 an

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

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 D

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 jquery object itself i