Category：VUE
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Time：2021-12-8
1. Attribute eg:: value = “‘str ‘+ XX” or: value = “STR ${XX}” 2. Tag eg: < div V-for = “(item, index) in userlist” > {{item.userName+'(‘+item.userAccount+’)’}} </div> Turn fromblog.csdn.net/w_t_y_y/article/deta… This work adoptsCC agreement, reprint must indicate the author and the link to this article Writing code is an interesting thing.
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Time：2021-12-7
1、 Using indexof() method to remove duplicate Method name Function description indexOf() Returns the first index of the given value that can be found in the array, or – 1 if it does not exist lastIndexOf() Returns the index of the last specified element in the array, or – 1 if it does not exist […]
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Time：2021-12-6
NPM runs with an error “because running scripts is prohibited on this system” solution NPM: the file C: \ users \ pathliu \ software \ nodejs \ npm.ps1 cannot be loaded because running scripts is prohibited on this system. For more information, see about in HTTPS: / go. Microsoft. COM / fwlink /? LINKID = […]
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Time：2021-12-4
Series articles： “Quick start typescript” typescript basic syntax “Quick start typescript” typescript advanced “object” “Quick start typescript” typescript functional programming Promise of “top speed typescript” Interface, class and generic type of “quick start typescript” [TOC] 1、 Definition In TS, we define an object without “class” or “organization”. If we need to write an object, we […]
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Time：2021-12-3
Series articles： Use of vuex Using composition API in vue3 using vuex Home.vue /* *@ Description: standardize yourself and write excellent quality code * @version: 1.0 * @Author: baojino * @Date: 2021-11-01 15:38:58 * @LastEditors: Aidam_Bo * @LastEditTime: 2021-11-01 17:46:32 */ import { createStore } from ‘vuex’ export default createStore({ state: { name: ‘dell’ }, […]
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Time：2021-12-2
var CRC = {}; CRC._auchCRCHi = [ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, […]
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Time：2021-12-1
function fcs(str) { var len = str.length; var tmp = “”; for(var i = 0;i<len;i++){ tmp = tmp ^ str[i].charCodeAt(); } var tmps = tmp.toString(16); if (tmps.Length == 1) { tmps = “0” + tmps; } return tmps; } var test = fcs(“@00RD01000007”); //50 console.log(test); This work adoptsCC agreement, reprint must indicate the author and […]
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Time：2021-11-30
Series articles： “Quick start typescript” typescript basic syntax “Quick start typescript” typescript advanced “object” “Quick start typescript” typescript functional programming Promise of “top speed typescript” Interface, class and generic type of “quick start typescript” [TOC] catalogue 1、 Functional programming style The variable type can be a function The literal can be a function The field […]
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Time：2021-11-29
Series articles： “Quick start typescript” typescript basic syntax “Quick start typescript” typescript advanced “object” “Quick start typescript” typescript functional programming Promise of “top speed typescript” Interface, class and generic type of “quick start typescript” [TOC] 1、 Asynchronous programming Concept of asynchronous programming: asynchronous programming (async) is relative to synchronous programming (sync); We are learning that […]
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Time：2021-11-27
Block scope constructionletandconst letDeclaration, usage andvarSame, but withletDeclared variables are not promoted, and the scope of variables can be limited to the current code block. useletDeclaring variables also prevents repeated declarations of variables. If usedconstTo declare an object, the binding of the object itself cannot be modified, but the properties and values of the object […]
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Time：2021-11-26
Series articles： My Vue learning record 1: front end cross domain proxy configuration My Vue learning record 2: child component calls parent component’s method Cross domain configuration In the vue.config.js file under the root directory of the project directory, add the following code module.exports = { publicPath: “/”, devServer: { proxy: { “/api”: { target: […]
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Time：2021-11-25
Series articles： My Vue learning record 1: front end cross domain proxy configuration My Vue learning record 2: child component calls parent component’s method First, create a sub component <template> <div class=”Child”> </div> </template> <script lang=’ts’> import { Options, Vue } from ‘vue-class-component’; @Options({ }) export default class Child extends Vue { } </script> Create […]
