This is done because a JS file needs to be introduced inside a component to locate it. If put in index.html, so each component will have this JS. So it needs to be introduced separately within the component.The first operation of the DOM introduces JS:default { mounted () { const s = document.createelement ('script'); 'text/javascript'; ' Https://g.alicdn.com/dingding/dinglogin/0.0.2/ddLogin.js
of rendering the button at the time
So what exactly?
The data is modified first, the value of loaded is overloaded in the Map object, and Ishide is used to bind the button's display hidden
Add Watch
data () { return { map: {‘loaded‘‘‘}, true } }, watch: { ‘map.loaded‘function () { if(thistrue) { thisfalse; } } },SummarizeThis again let me toss for a while, as the saying g
Reference from: https://mp.weixin.qq.com/s?src=3timestamp=1527154113ver=1signature=twgeta86gyk* rl0p7nwla6-8v14fjzxuth7cm9kqljnxjchkqgw6lm3c5jxi-ba9wmxjxglumapgche2aivgc-ewc8kunsul0pltwljdbjhivzds9sgrquoc-pe0achyii43b i*cymkshrrc2vb8d0q0ow7drf-rz202wjqked4=Correct introduction of the wayThe simplest way to do this is to use the library as a property of the prototype object of Vue.Import moment from ' moment '$moment ', {value:moment});You can also:Vue.prototype. $moment = moment;Because all of t
The core of Vue. js is a response data binding system, which allows us to "bind" DOM to underlying data using special syntax in common HTML templates. The bound DOM will be synchronized with the data. The corresponding DOM view will be updated whenever the data is changed. Based on this feature, it is very easy to dynamically bind a class through vue.
The first time I came into contact with the magic front-end framework vue. js? 1.1.23 Preface
Start with vue. js, one of the hottest front-end frameworks in 2016. I found some information on the Internet and checked the vue. js.
The core of Vue. js is a response data binding system, which allows us to "bind" DOM to underlying data using special syntax in common HTML templates. The bound DOM will be synchronized with the data. The corresponding DOM view will be updated whenever the data is changed. Based on this feature, it is very easy to dynamically bind a class through vue.
Recently, the company decided to use Vue because of its new project. javaScript code is used, but an interesting thing is found in the Process of use, because the discovery involves some thoughts on getter and setter, for more information, see this article. For more information, see. Cause
When I printed the attributes of the data object under the Vue instance, I found an interesting thing:
Each of its at
The first method is placed directly under the relative path, position:./static/js/main.js,./static/css/main.css,./static/img/test.pngThe second way: ES6 import method introduced, was introduced into the file Test.js tail added export default {fn}//FN is introduced, in Main.js introduced import test from './assets/js/t Est.js ' vue.prototype. $test = test;Global introduction, How to reference in subcomponent
In the Vue. js tutorial, It is very convenient to calculate the inline expression of the attribute Vue. js, but it is most suitable for simple Boolean operations or String concatenation. If more complex logic is involved, you should use the computing attribute.
The calculation attribute is used to declare that a value
Install node JS to the simple process of running Vue1. Install node JS:http://nodejs.cn/download/2. Run node. js Command PromptAfter installation is complete (node-v View installed version) 3, install NPM (since the current version of Nodejs has integrated NPM so there is no need to install, you can use npm-v to view the version) 4, register CNPM to replace NPMUsing the command:npm install cnpm-g--regis
eliminates the process of program analysis, equivalent to the processed render function, and the Normal template or El is just a string, need to parse into an AST, and then convert the AST to the render function.Remember that either way, you have to get the render function.We use the process of the specific use of which method of invocation, according to the specific needs.
If it is relatively simple logic, using template and El is better, because both of these are declarative renderin
What causes a syntax error in binding Vue. js to the HTMLclass array? How can this problem be solved? The following small series will share with you the Cause Analysis of Vue. js binding HTMLclass array syntax errors. If you are interested, let's take a look at the Vue.
handshake and wave process, A number of resources to download down, and multiple resources because all are sharing an HTTP request, so the head and other parts are also shared, equivalent to form a scale effect, so that the page display faster, user experience better. ) Vue-cli:vue.js's scaffolding tools. The plain is an automatic help you to build a good project directory, configuration of Webpack, as well as a variety of dependent package tools, t
input that is the native DOM object, so we need to pass the event, but with a special variable $event.The second step of Vue initialization adds the methods property:methods:{Trigger when changing the value of inputChangenumber:function (event,x) {var obj=$ (Event.target);X.num = parseint (Obj.val ());},DeleteRemove:function (x) {if (Confirm ("Are you sure you want to delete it?") ")){Goods_list.splice (x, 1);}else{return false;}},This is the basic f
Not much to say, directly on the code AH ~Let's start with a structure diagram:The VUE-CLI wrote a JS file of his own.Then I want to introduce it into the Vue component.1. First write my JS file2. Introduction to VUE Components!!! Be sure to use {} to get the name of the met
ProblemRecently in the use of Vue to do something, use the nail scan login function, here need to introduce remote JS file, because the way Vue is not the same as before, and do not want to download the file to the local application, find a solution, seemingly all need to introduce a third-party library, and finally found a solution to share.IdeasThe first idea w
Vue. js is required for Form Control binding every day. For details about how to create two-way data binding on form control elements, refer to basic usage.
You can use the v-model command to create two-way data binding on the Form Control Element. It automatically selects the correct method to update elements based on the control type. Despite the magic, v-model is just a syntactic sugar. It updates data
This article describes Vue in detail. js Class and style binding have a certain reference value. Interested friends can refer to a common requirement for Data Binding: the class list of operation elements and its inline style. Because they are all attribute, we can use v-bind to process them: we only need to calculate the final string of the expression. However, String concatenation is troublesome and error
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