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  • What is the use of form using the enctype field when uploading a file

    What is the use of form using the enctype field when uploading a file

    The enctype attribute of the FORM element specifies the encoding type used when submitting form data to the server. The default default is application/x-www-form-urlencoded. This encoding method will urlencode the content before the form is sent. (Convert
    2025-05-27
  • Use Plupload to directly upload attachments to Qiniu Cloud Storage

    Use Plupload to directly upload attachments to Qiniu Cloud Storage

    Which users is this plug-in mainly targeted? 1. If you want to be a user who downloads the server, you don’t have enough bandwidth or enough space. How can we do this? Make our website into an intermediate layer, and then the user uploads it to the server
    2025-05-27
  • Use js to draw circles, arcs, and fan shapes

    Use js to draw circles, arcs, and fan shapes

    The relationship between the point p(x,y) on a circle with a radius r and the center O(x0,y0) of the circle: x = x0+rcosA; y = y0+rsinA, A is a radian example: http://www.zhaojz.com.cn/demo/draw6.html 1. The circle copy code is as follows: //
    2025-05-27
  • HTML Markup Language - Forms

    HTML Markup Language - Forms

    Click here to return to the Wulin.com HTML tutorial column. Above: Markup Language - Quote Original Text Chapter 5 Form Interaction has always been the focus of the Internet, allowing users to exchange information with the website and communicate with eac
    2025-05-27
  • JavaScript Math.floor method (log value rounded down)

    JavaScript Math.floor method (log value rounded down)

    JavaScript Math.floor method The Math.floor method is used to round down the numeric value, that is, to obtain the maximum integer less than or equal to the numeric value. The syntax is as follows: Math.floor(x) parameter description: Parameter descriptio
    2025-05-27
  • Using Geolocation in HTML5 to get geographic location Call Google Map API to locate on Google Map

    Using Geolocation in HTML5 to get geographic location Call Google Map API to locate on Google Map

    Comment: This side dish just started learning HTML5, and is now quite interested in Geolocation. The basic map positioning function is implemented in combination with Google Map API. The following steps are mainly used: Obtain the current geographical loc
    2025-05-27
  • JavaScript implementation avoids repeated submission of page buttons

    JavaScript implementation avoids repeated submission of page buttons

    The code copy is as follows: function preventAjax(obj,num){obj.disabled = true;var num = num;var types =obj.type;if(types == 'submit'){var t
    2025-05-27
  • Understanding innerHTML

    Understanding innerHTML

    Related articles: innerHTMLHTML DOM insertRow() method Definition and Usage Definition and Usage The insertRow() method is used to insert a new row in a sp
    2025-05-27
  • The hasOwnProperty() method usage guide in javascript

    The hasOwnProperty() method usage guide in javascript

    Overview The hasOwnProperty() method is used to determine whether an object contains a specified property. Syntax obj.hasOwnProperty(prop) parameter prop to detect property name. Describes that all objects that inherit Object.prototype will be inherited f
    2025-05-27
  • A brief summary of commonly used array operation methods for js

    A brief summary of commonly used array operation methods for js

    //Array segmentation var colors = ["red","green","blue"];//alert(colors.toString());alert(colors.join("|")); //Return result is red|gr
    2025-05-27
  • JS simple calculator example

    JS simple calculator example

    This article describes the implementation method of JS simple calculator. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:<html xmlns="http://www.w3.org/1999/xhtml"><head><title></title>
    2025-05-27
  • nodejs implements blacklist middleware design

    nodejs implements blacklist middleware design

    Blacklist Schema: Copy the code as follows:/*** Created by YCXJ-wanglihui on 2014/5/28.*/'use strict';var mongoose = require('mongoose');var Sch
    2025-05-27
  • An article teaches you how to learn HTML

    An article teaches you how to learn HTML

    If you are not committed to becoming an artist, then as a developer, you can understand HTML and make simple modifications if necessary. Follow my ideas below to ensure that an article allows you to understand HTML. Of course, during the process of readin
    2025-05-27
  • Use CSS to set the width of INPUT in TD

    Use CSS to set the width of INPUT in TD

    Recently, when I was using C# to make a web program, I encountered a problem: When placing the TextBox asp control in the TD in the Table, the width will not be set, and the TD will be greatly supported. After checking the source code of the page after ru
    2025-05-27
  • In-depth understanding of table tags

    In-depth understanding of table tags

    Tables are tags that have been used for a long time and are still used today. However, because of the refactoring of the current website, it is recommended that you not layout tables. Many friends mistakenly think that using tables is the so-called non-st
    2025-05-27
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