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5. Jason interactive processing JSON 5.1 what is JSON? JSON (JavaScript object notation) is a lightweight data exchange format, which is widely used at present.Data is stored and represented in a text format completely independent of the programming language.The concise and clear hierarchy makes JSON an ideal data exchange language.It is eas ...

1. Declaration function //Declarative function function Function name() { //Function body code } Function is the keyword that declares the function and must be lowercaseSince functions are generally defined to implement a function, we usually name the function as a verb, such as getSum 2. Call function //Call function Function name(); ...

Automated constructionIn the development phase, source code is automatically built into production code using efficient syntax, specifications and standardsNPM ScriptWhenever npm run is executed, a new Shell will be automatically created and the specified script commands will be executed in this Shell. Therefore, any command that can be run by ...

 Recently, there is a demand for large data screen in business, which requires not only displaying data, but also providing data download in the selected date range. This paper only records the implementation scheme as a note, and the implementation details are very incomplete.Tool libraryThe standard specifications of xlsx spreadsheet are show ...

Absrtact: Typescript can be said to be a superset of JavaScript. Many syntax features are added on the basis of JS, so that types can no longer be converted at will, which can greatly reduce errors in the development stage. This article is shared from Huawei cloud community< Full parsing of Typescript basic syntax >, author: Aurora Boreal ...

(1) Promise Promise means promise. (it's something that will happen in the future) (1) What is promise? In terms of purpose: (1) promise is mainly used for asynchronous computing. (2) You can queue asynchronous operations, execute them in the desired order, and return the expected results. (3) promise can be passed and manipulated between ob ...

In our project, components are everywhere. Through the encapsulation of component functions, we can develop web pages like building blocks. Next, let's learn about Vue's componentization mechanism. 1, What is component development      vue allows us to customize components and encapsulate a functional template in a. vue fi ...

HTML5 final assignment: love discount e-commerce shopping website design - fresh love discount e-commerce shopping website (5 pages) HTML+CSS+JavaScript HTML web page design about e-commerce - online shopping Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, ...

The built-in method of array that we often use in ordinary development is also the most frequently asked thing in the interview. Array is the most commonly used data set in js. There are many built-in methods. Mastering these methods can effectively improve our work efficiency and have a great impact on our code quality. Create array Literal r ...

Learn JavaScript, one of the technologies - Ajax, which is too common. brief introduction AJAX is fully called Asynchronous JavaScript and XML. From its name, we can see that it is asynchronous JS and XML (but now more json is used to transmit data, while XML becomes less used) Through AJAX, you can send asynchronous requests to the server i ...