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1, Operation properties Attribute classification Inherent attribute href,src..... Common attributes id,class,name...... Custom properties abc= '1234' Methods of manipulating attributes difference 1.prop cannot operate custom attributes 2.prop gets that the attribute of Boolean type is true/false Get property value When ...

Detailed explanation of jQuery events in JavaScript Because JavaScript runs in a single thread mode in the browser, after the page is loaded, once all the JavaScript code on the page is executed, you can only rely on the trigger event to execute the JavaScript code. After receiving the user's mouse or keyboard input, the browser will automati ...

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catalogue preface On the effect! User registration and login page Retrieve team information Chart making: The histogram shows the winning rate information of each team: The pie chart shows the number of games played by each team The line chart shows the average score of each team Implementation of administrator operation epilogue ...

The author has been systematically combing the knowledge of native JS recently, because I think JS, as the fundamental technology of front-end engineers, can't be learned too many times. I plan to make a series driven by a series of questions. Of course, there will be questioning and expansion. The content is systematic and complete. It will im ...

The company requires the implementation of complex header tables on mobile phones. The first column can be fixed and other sliding table functions. I have seen that this function is available in elementui, but its multi-level header needs to realize the object relationship between upper and lower levels, and the data returned to us by the backg ...

1, Basic introduction 1. Key technology development tool IntelliJ IDEAdatabaseMySQL 5.7front-end technologyJquery + Bootstrap + JSPBackground technologySpring + Spring MVC + MyBatisLogginglog4j 2. Project directory structure The overall structure of the project is as follows: Details are as follows: (1) Storage directory of program cod ...

Implementation of role management in blog system Overview: the basic function of role management is to add, delete, modify and query roles. However, due to the relationship between roles and permissions, the relationship between roles needs to be considered in adding, deleting, modifying and querying. When adding roles, you need to grant permi ...

Service request mode Native Ajax The native Ajax, XMLHtpRequest (XHR), uses the XMLHtpRequest object to asynchronously request data, so that the front end can asynchronously exchange data with the server. The data on a URL can be easily obtained through Ajax. XMLHtpRequest was originally designed by Microsoft, and then supported by Mila, Appl ...

1, Jquery3 three point one 1. Overview Introduction: jquery is an excellent lightweight framework for javascript, compatible with css3 and major browsers, and provides simple operations such as dom, events, animate, ajax, etc. Moreover, jquery has rich plug-ins, and most functions have corresponding plug-in solutions. Jquer ...