Category：JavaScript
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Time：2021-10-27
catalogue 1、 How many types of values does JavaScript have? 2、 Basic data type 1. The value is immutable 2. Store in stack area 3. Comparison of values 3、 Reference data type 1. The value is variable 2. Save in stack memory and heap memory at the same time 3. Comparison is the comparison of […]
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Time：2021-10-27
Because xmlhttp uses Unicode encoding to upload data, while the general page uses GB2312, it causes garbled code when displaying the page. While xmlhttp returns UTF-8 encoding when obtaining the page, it causes garbled code when displaying One solution is to use encodeuricomponent and modify the content type to “application / x-www-form-urlencoded” to uniformly encode […]
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Time：2021-10-27
This example shares the specific code of jQuery plug-in to realize mouse hiding for your reference. The specific contents are as follows When the mouse hovers over a DOM, it will automatically hide it for you. The effect picture can’t work because of the problem of the screen recording software The effect is as follows […]
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Time：2021-10-26
First, make sure that echarts and echarts GL are introduced into the project “echarts”: “^4.9.0”, “echarts-gl”: “^1.1.2” The rest of the configured optiondata data is handed over to the code import echarts from ‘echarts’ import ‘echarts-gl’; export default { name: “cityGreenLand”, components: {}, data() { return { optionData: [{ Name: ‘forest land area statistics’, value: […]
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Time：2021-10-26
In fact, the simplest can be understood as: Javascript + XMLHttpRequest + CSS + server-side collection, which is essentially a browser-side technology. okay, A simple description, now directly on the code! (1) . Function Description:Create two new HTML pages, 1.html and 2.html respectively. Click the “get data” button on the 1.html page without refreshing, and […]
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Time：2021-10-26
catalogue 1. Organization management module interface 2. Role management interface 3. Interface modular processing 1. Organization management module interface The organization management module interface is as follows, including organization member management and role management. In the ABP basic field, an organization can contain 0 to more members or 0 to more roles. Therefore, the interface […]
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Time：2021-10-25
In the last blog, I wrote about using XMLHttpRequest object to load data asynchronously in traditional JavaScript. Alas, children’s shoes… Is it a headache to see those codes! Hehe… Not only you, but also I am a little disgusted. We should not only judge the browser, but also… Anyway, there is a big lump of […]
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Time：2021-10-25
catalogue 1. Introduction to menu resources and management interface 2. Combined management of menu and route 1. Introduction to menu resources and management interface As mentioned earlier, permission management generally involves users, organizations, roles and permission functions. The basic content of ABP framework also involves these aspects. The relationship between them is basically a many […]
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Time：2021-10-24
catalogue preface 1、 Force conversion 1. Other data types are converted to string Method 1: tostring() method Method 2: string() function 2. Other data types are converted to number Method 1: use the number() function Method 2: parseint() & parsefloat() 3. Other data types are converted to Boolean 2、 Automatic conversion 1. Automatically convert to […]
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Time：2021-10-24
Well, as before, first build a login.html page to fill in the login information, and then build a dealdata.aspx page (of course, it is best to use the general processing program: *. Ashx) to process the data. In the login.html page, the code is as follows: Copy codeThe code is as follows: <head> < title […]
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Time：2021-10-24
In many scenarios, it is necessary to obtain the width and height of the current web page to achieve some effects, but there is still a hole in obtaining the width and height of the web page. Here I summarize and explain in detail. If there is any supplement, please comment and supplement~ Method 1: […]
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Time：2021-10-23
General forms are submitted through Ajax, so it is more troublesome to encounter forms with file upload. The basic principle is to add a hidden iframe on the page, and then submit the form data other than the file through Ajax. In the callback function after the form data is submitted successfully, the file is […]
