Category：JavaScript
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Time：2019-8-24
This article example for you to share the Weixin small program to achieve the store countdown specific code, for your reference, the specific content is as follows index.html： <view> < text > countdown: </text > <text>{{countDownHour}}</text> : <text>{{countDownMinute}}</text> : <text>{{countDownSecond}}</text> </view> util.js ： const formatTime = date => { const year = date.getFullYear() const month = […]
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Time：2019-8-24
User upload is always indispensable in the project. Here are the main list of form upload and Ajax upload! Note: Context. Request. Files is not suitable for large file operation, the following list of the main small file upload processing! Resource download: 1. jQuery Official Download Address: https://jquery.com/download/ 1. Form upload: HTML client section: <form […]
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Time：2019-8-24
1. Basic Grammar 1. JavaScript variables are weakly typed (the type of the variable is not “important” and the compiler automatically converts, that is, one type can be treated as another type), and dynamically typed (without specifying the data type). 2. Case-sensitive 3. Brackets indicate blocks of code 4. If there is only one sentence […]
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Time：2019-8-23
This article example for you to share the Wechat applet date formatting and countdown specific code, for your reference, the specific content is as follows Let’s look at it first.How to format the date The first is: Date.prototype.Format = function (fmt) { //author: meizz var o = { “M+”: this. getMonth () + 1, // […]
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Time：2019-8-23
Recently, I wrote a title that requires a group of employee entity classes to be converted into XML files or XML files to be converted into a group of entity classes. The title is not difficult, but it feels like you can use generics and reflection to convert any entity class and XML file. So […]
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Time：2019-8-23
Array Javascript is a very important knowledge point, in order to improve students’interest in the classroom, the choice of teaching examples is more important. In order to improve students’interest, a teaching example of lottery drawing is designed, which can be input and controlled to end, and realized by using JS array. The code is as […]
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Time：2019-8-22
This article example for you to share the Weixin small program dynamic display project countdown specific code, for your reference, the specific content is as follows 1. The effect of the display is as follows. 2. wxml code: <! – Countdown – > <text wx: if=”{clock!=’}”> only {clock} </text> <text wx: if=”{clock==’}”> is closed </text> […]
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Time：2019-8-22
There are several small projects on hand that use easyUI, and the decision to use easyUI at the outset dooms the project to be separated from the front and back end as a whole, basically all requests are done in Ajax. When uploading files, Ajax is used to upload files and the preview effect of […]
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Time：2019-8-22
Data type conversion can be divided into implicit type conversion and forced type conversion. Implicit Type Conversion: The program automatically completes, and the program will convert the data type that does not meet the requirements of the operation into the data type needed, and then perform the operation. No need for human intervention! Problem: Expected […]
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Time：2019-8-21
When using Vue. js, you can use the Vue. extend () method to create a subclass with an input parameter containing an object. Among them, data in extension and data in Vue instantiated objects are written differently. Following is an example to illustrate the operation as follows: The first step is to create a static […]
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Time：2019-8-21
ABSTRACT: Ajax requests a binary stream (file) to be converted to a Blob for processing or downloading saved files demand The management background needs to download data reports at any time, and the data should be generated in real time and then converted to excel download. File is not big, the page placed the “export” […]
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Time：2019-8-21
The first time I wrote a technical blog, I hope you can point out the shortcomings. I will correct them again. Thank you. No suitable timesharing project has been found before, so I decided to do one by myself. The contact chart frame is not many, many people recommend it on the internet.Echarts, look at […]
