JavaScript

Trinocular operatorWhat is : Perform different actions/return different values according to different conditionssyntax : Condition 1, value 1 or Action 1://If Condition 1 is met, return value 1 or perform action 1Condition 2 = value 2 or action

First, the concept of functionDaily life, we want to complete one thing, always used to have a plan, the latter according to plan, step by step implementation, then can be completed, and achieve a certain effect to achieve certain functions. In the

It mainly describes what JavaScript is and what parts it consists of.HistoryOmitted...JavaScript implementation Javascript ECMAScript Dom Bom Core (ECMAScript) Document Object Model

These two days again the basis of JS review, a lot of do not know or to return to the foundation, we all know that JS is an explanatory language, is to compile a line to execute a line, but before executing, the system will do some work:1,

The difference between Documen.write and innerHTMLdocument.write只能重绘整个页面innerHTML可以重绘页面的一部分 What does the browser detect through?（1） navigator.userAgent（2） 不同浏览器的特性，如addEventListener What kinds of data types are available for

When there is a lot of tabular data, scroll bars appear in the container block element. While scrolling the scrollbar, the data line is obscured by block elements. To keep the head part of the table always within the visual range, we need to make

I. SUMMARY of previously1) JavaScript is run in a single-threaded execution environment2) The order in which events are scheduled to be executed by the browserSecond, setTimeoutUsage Scenario: Set code to execute at some time in the future, and the

1, when creating a class using a function, the function itself is also called the constructor of the class, the constructor method of the class, the constructor of the class, the constructor of the class, and so on.2, note that the constructor

JavaScript drop-down list box, content is current year and 50 years before and after, default selection is current year JavaScript year drop-down list box content is current year and before and after 50 years

var browserinfo = {UserAgent:navigator.userAgent.toLowerCase ()Isandroid:boolean (Navigator.userAgent.match (/android/ig)),Isiphone:boolean (Navigator.userAgent.match (/iphone|ipod/ig)),Isipad:boolean (Navigator.userAgent.match

Vue2 router dynamically transmits parameters to instances with multiple parameters. vue2router This is used in a project generated using vue-cli. For example, a route jump requires two parameters: View You can write as follows: View Then go to

Example code for JavaScript to implement full screen sliding on mobile terminals, JS instances Basic Ideas: 1) detect the slide direction of the finger: Get the position when the finger is lifted, minus the position when the finger is pressed, and

Explain how Vue supports JSX syntax and VueJSX syntax We usually use the template syntax for vue development. In fact, there is also the same syntax as react, that is, the render function, which also supports the jsx syntax. The Vue template is

Explanation of asynchronous processing of small programs and asynchronous explanation of small programs The examples in this article share with you the specific asynchronous Processing Methods of small programs for your reference. The specific

Angular implements Form Verification and angular form verification Angular form verification can be divided into two types: 1. built-in verification (required, minlength, etc.); 2. Custom verification (regular expression ). Next we will use the demo

label style settings and label style settings Style in the P label in CSS: 1. font-family: When displaying the font, the browser checks whether the current font is supported until the last font series. Font-family: "", "", sans-serif. If the

Vue component parent-child communication (1), vue component parent-child explanation The examples in this article share with you the specific code of vue component parent-child communication for your reference. The details are as follows: 1.

Talking about the problem of vue-router2 Routing Parameters, talking about vue-router2 1. If the vue route is used to pass params to define the route /Route name: id When obtaining This. $ route. params. id Final shape /Route name/route

How to Set webpage title on vue2 single page and vue2 webpage title The content in the response, and the title of the page is set only once when each page is initialized. For the current front-end framework, the traditional method of setting the

A simple instance jumps to a specified Page Based on Datatables, and jumps to an instance based on datatables Because the project uses Datatables to find that you cannot jump to a specified page when the page is too large, you have added the # Ables