This article mainly introduces the issues related to IE incompatibility caused by non-standard comma (,) in JavaScript code. If you want to use ExtJS for front-end development, the system can be normally displayed in Google Chrome or Firefox, but an error will be reported when you open it in IE. The error message is Expected identified, string or number. Later, when checking the
This article introduces several methods to asynchronously and dynamically load js and css files. If you need it, you can refer to jquery to dynamically load css files. The js file method is very simple,
Example
Method 1:
The Code is as follows:
The Code is as follows:
$. Getscript ("test. js? 1.1.9 ");
Method 2:
The Code is as follows:
The
The following code uses JavaScript to control the cpu usage.
See the article about CPU usage in the control task manager. It is very interesting. I always wanted to do it myself. However, I have a limited level in C language. Therefore, you cannot directly use the code to practice this process.
However, javascript
Example: Write as friendly Javascript code as possible when searching the Search Engine's robot, text/html has the highest degree of friendliness (except text/xml at present), while text/javascript is unfriendly. If robot wants to judge DHTML code, this complexity is also high, and it is not easy to draw. Therefore, in
Javascript implements snow effect [instance Code], javascript instance
Principle:
1. js dynamically creates a DIV and specifies the CLASS to set different background image styles to display different snowflake effects.
2. js gets the created DIV and changes its top attribute value. When the falling height is greater than the screen height, delete the mobile div.
If you ask me what is the most influential website opening speed on my website? I will tell javascript in the website, JS for short. The more JS files referenced in the template, the slower the opening speed. I have a deep understanding of this. If you don't believe it, you can read this article carefully on the homepage of Lu songsong's blog. After making great efforts to optimize it, there will still be K files, it's enough for you to optimize it fo
JavaScript achieves floating advertisement code with a buffer effect on the screen, while javascript floats.
This example describes how to use JavaScript to implement floating ad code with buffering effects on the screen. We will share this with you for your reference. The d
JavaScript implements the code that can scale the display area, and javascript Scaling
The example in this article describes the javaScript code for implementing a scalable display area. We will share this with you for your reference. The details are as follows:
This example
The first type: View-source method
View-source is a protocol that is essentially supported by every browser in the early days. But do not know what reason, from IE6 Beta2 after IE no longer support this agreement. This method can only be used in Firefox browser now!
How to: Enter in the browser address bar
View-source:
Return to see the source code of the Web page.
The second type: JavaScript method
This
There is an error in the division result of javascript, which is obvious when two floating point numbers are separated. This function returns a more precise division result.
The Code is as follows:
// Division function, used to obtain accurate division results// Note: the division result of javascript has an error, which is obvious when two floating point numb
A very good JavaScript debugging method has been found. Currently, four types of ObjectArrayFunctionString can be printed. The usage method is the same as var_dump () in PHP, as long as you directly dump (variable name. A very good JavaScript debugging method has been found. Currently, four types of Object/Array/Function/String can be printed. The usage is the same as that of var_dump () in PHP, you only ne
Previously, I was working on a Javascript log console function module, hoping to capture this error when Javascript code fails, and print the error file and the corresponding number of lines to the console and report it to the server. The try-catch method was used in the past. In the catch statement, we will receive an Error object (we can also throw a custom exc
JavaScript generates a QR code image summary and javascript generates a summary.
Abstract:
Baidu encyclopedia introduces the QR Code in this way: the QR Code (Quick Response Code), also known as the two-dimensional barcode, uses a
To ensure the security of personal information on websites, many websites have set the password strength on the registration page. How can I use javascript to verify the password strength? The following section provides two methods to verify the code by using the javascript password strength. If you need the code, refe
This article mainly introduces the code of the logo image prompting effect implemented by JS, and involves implementation techniques related to page element traversal modification triggered by JavaScript mouse events. It has some reference value, if you need it, refer to the example in this article to describe the effect of the logo image prompts implemented by JS. Share it with you for your reference. The
This article mainly introduces the code of the logo image prompting effect implemented by JS, and involves implementation techniques related to page element traversal modification triggered by JavaScript mouse events. it has some reference value, if you need it, refer to the example in this article to describe the effect of the logo image prompts implemented by JS. Share it with you for your reference. The
JavaScript simple drop-down menu instance code, javascript drop-down menu
This example describes the sample code of the simple JavaScript drop-down menu. Share it with you for your reference. The details are as follows:
This is a JavaScr
This article mainly introduces the simple drop-down menu of JavaScript, and uses the regular function recursive call of JavaScript to realize the gradual display of menus, which is very simple and practical, you can refer to the examples in this article to describe the sample code of the simple JavaScript drop-down men
1. How to open the "developer Tools" in the browser*360 Secure Browser* Method One, open the Web page you want to debug, such as Index.html, the top right corner of the browser---tools----developer tools* Method Two, press the shortcut key F12 directly to open the browser developer tools 2. Using the developer Tools 2.1 in the browser, use theConsole PanelConsole Panel Overview: You can enter JavaScript
JavaScript implements up and down floating window effect code, javascript up and down floating
The example in this article describes the JavaScript code for implementing up and down floating windows. Share it with you for your reference. The details are as follows:
This sect
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