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Some incompatible methods in IEs such as Contains, Startwith, etc.

Copy code code as follows: / ** * Extend the Startwith method * @param Str * @Return * / String.prototype. Startwith = Function (STR) {if (str == null || Str == "" "|" ""

2025-02-02
HTML5 application file upload

For a long time, developers have been distressed by this. Most of them have used Flash as solutions for solving this problem, but Flash is not a piomacetizer. Because of the Flash version, problems caused by cutting sometimes become nightmares. Some websi

2025-02-02
html5 development of Queen's Day confession artifact

The renderings are as follows: Knowledge points used in developing the March 8th Queen's Day Confession Artifact: css33D scenes, 3D transformations, love making skills, 3D cube making skills, custom animations, native js DOM node operations, loops, et

2025-02-02
Example code for using canvas to draw a trajectory by holding down the mouse and moving it

Summary: Since I started working, I have written about vue, react, regularity, algorithms, small programs, etc., but I have never written about canvas, because I really don’t know how! In 2018, I set a small goal for myself: learn canvas, and achieve the

2025-02-02
4 Ajax asynchronous submission methods commonly used in extJS

/** Copy the code as follows: * The first Ajax submission method * This method requires direct use of the ext Ajax method for submission * Using this method, the parameters to be passed need to be encapsulated * @return */ function saveUser_ajaxSubmit1

2025-02-02
Use JS+iframe to form a specific implementation of a mask effect on the page

Please download the jQuery library replication code before using this forging code as follows: Var MaskstackCount = 0; Function Mask (Method) {// Here is the window you want to cover. What I want to cover here is an iframe window. You can also use VAR

2025-02-02
How to set the value of readOnly in JS

In web pages, we sometimes need to control the "input state" of the text input box. Some key attributes cannot be modified. At this time, we need to set the readonly attribute of the text input box to False. In the web page, we can use

2025-02-02
Use the scroll method of iframe window to control iframe page scrolling

How to control the scrolling of embedded iframe in the page? The method is to use the scroll method of iframe window: 1. Get the window object of iframe var iwin = document.getElementById('iframe1').contentW

2025-02-01
Html background picture and background color

1. HTML image<img> 1.<img> The label and its src attribute are in HTML, and the image is caused by the image<img> Label definition.<img> It is an empty label, which means that it only contains attributes and does not close the tag (but end directly by/&gt

2025-02-01
Detailed explanation of the usage of reverse function in js

The reverse() method is used to reverse the order of elements in the array. Note: This method will change the original array but not create a new array. Example: var str = ['1','2','3'];document.write(a);Output: 3,2,1

2025-02-01
Summary of several methods for refreshing the current page using JS

Articles related to JS refresh page compiled by Wulin: //www.VeVB.COm/article/139788.htmreload method, this method forces the browser to refresh the current page. Syntax: location.reload([bForceGet]) Parameters: bForceGe

2025-02-01
Use JavaScript to control the control of effective time, and show the time to expire

One of the setting time for the setting time implemented by JavaScript, the feeling code implemented by jQuery is not concise. This is a JS code written by a colleague.

2025-02-01
JS can control the name of the style of the style

CSS grammar (not distinguished and lowercase) JavaScript syntax (distinguished manuscript) Border BorderBorder-BOTTOM BORDERBOTOTOTMBORDER-BOLOR BORDERBOTMCOLORB

2025-02-01
How to draw a vertical line between two div tags in HTML

Recently, when I was drawing an interface, I encountered a requirement: draw a vertical line in the interface, and the height of this vertical line needs to automatically occupy the entire parent div (that is, the height of this vertical line is the same

2025-02-01
Example of dynamically changing row height in extjs4 treepanel

Copy the code as follows: //css code.x-row-class{ line-height:30px; } //js code},{ text: 'Skill Distribution', flex: 1, width:150, dataIndex: 'skillDistri

2025-02-01

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