JavaScript

Profile:Programming interfaceThe HTML DOM can be accessed through JavaScript.All HTML elements are defined as objects, while programming interfaces are object methods and object properties.Methods are actions that you can perform (such as adding or

History of succession　　There are four forms in the history of succession, let's take a look.1. Traditional forms 　　 Fir.prototype.lastName = "STG"; function Fir () { this.age =; } var fir =

Syntax section Type property: The default type is JavaScript, so you do not have to explicitly specify the type as JavaScript JavaScript does not force a ";" at the end of each statement, and JavaScript automatically adds semicolons, but in

Implementation results:Implementation principle: Steps1. Get event source and related elements2. Copy the Li from the first image and add to the last side of the UL3. Add the number of Li,ul to OL-1, and light the first button.4. Mouse on

Original link: http://www.cnblogs.com/st-leslie/p/6082450.htmlI. Knowledge of reservesIn the project we will generally meet the two kinds of timers, the first is settimeout, the second is setinterval, the two timers as the difference:1, SetTimeout

Arrays are used to store data in separate variable names, and you can manipulate arrays by means of methods such as adding data, deleting data, and so on.Creating/ Accessing arrays　By specifying the array name and the index number (the index of the

The immediate execution function (functions () {...}) in JavaScript ()An in-depth understanding of the immediate execution function in JavaScript, the immediate execution of a function is called an immediate function, usually its notation is used

The Gdom framework is a DOM and string processing framework I developed, and the current version is 1.0.0. Use the same method as jquery, and use jquery to Gdom, currently 1.0. The 0 version of the selector fully supports the CSS3 selector . Do not

Fetch usage and how to receive the value transmitted by JS. fetch receives the value transmitted by js. Basic fetch method: fetch('https://mywebsite.com/endpoint/', { method: 'POST', headers: { 'Accept': 'application/json', 'Content-Type':

Vue2 + el-menu Implementation of Route jump and the current item Setting Method Instance, vue2el-menu What is Vue. js? Vue. js (pronunciation/vju example/, similar to view) is a progressive framework for building user interfaces. Different from

Vue component development-LeanCloud text message sending function with graphic verification code, vueleancloud 0.15 million of developers use the LeanCloud service, including well-known applications such as zhihu, dongqiudi, IFAN er, and lakara.

Block-level element Row Element and display attribute, element display attribute 1. What is tag semantics? -> Make appropriate use of tags -> What are common HTML tags? (Block label and intra-row label) -> What is the difference between block tags

Angular. js implements the shopping cart function and angular. js implements the shopping cart function. The examples in this article share the code of the angular. js shopping cart function for your reference. The details are as follows:

What is the meaning and purpose of the role attribute in html? Use the role attribute to tell the secondary device (such as screen reader) The role played by this element is a WAI-ARIA. For example, the clicked button is role = "button"; will make

Css3 elastic box model flex Quick Start and getting started 1, css3flex 1. What is flex? Flex is a layout method introduced in css3. It can flexibly and efficiently control the arrangement and alignment of elements. Most people call it elastic

Bootstrap common class name BootstrapAssign a class name to a label(class name)To generate the effect tag of the corresponding class name.Grid options row: Line col-*-*: Column (First*Can beXs [Ultra small]/Sm [small]/Md [medium]/Lg

[Frontend NLP white learning path] css3 Adaptive Layout Unit (vw). How much do you know about this ?, Css3vw Viewport units) What is a viewport? On the desktop side, the view refers to the desktop side and the visible area of the browser. On the

Simple Application of JavaScript closure, javascript Closure Closure Definition In JavaScript, when an internal function is referenced by a variable other than its external function, a closure is formed. In short, closures are functions that can

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Less Study Notes 27/8/17, less study notes Less official website Http://less.bootcss.com/   Less is a dynamic style language. "Style. less" is directly changed to "style. less. For example: Less can now be run on clients (such as IE +, Webkit,