JavaScript's performance in the browser has become the most important availability issue facing developers. This problem is complicated by the blocking nature of JavaScript, which means that when the browser is executing JavaScript code, it cannot do anything else at the same time. This article details how to properly load and execute JavaScript code to improve its performance in the browser. Whether the current JavaScript code is embedded or in the external link file, the download and rendering of the page must stop and wait for the script to be completed. The longer JavaScript's execution process, the longer the browser waiting to respond to the user input. The reason why the browser appears when downloading and executing the script is that the script may change the naming space of the page or JavaScript, which affects the content of the following page. A typical example is to use document.write () in the page. JavaScript code internal example & lt; html & gt;
& n# 1. Accelerate JavaScript loading and execution efficiency
## This #: The performance of JavaScript in the browser has become the most important availability issue faced by developers. And this problem is complicated due to the obstruction characteristics of JavaScript, which means that when the browser executes the JavaScript code, it cannot ...
##2. Javascript performance optimization optimization optimization optimization : Load and execute
This profile: With the continuous promotion of Web2.0 technology, more and more Application uses JavaScript technology to deal with it at the client, so that the performance of JavaScript in the browser is the most important available problem faced by developers. This problem is complicated by the blocking nature of JavaScript, which means that when the browser is executing JavaScript code, it cannot do anything else at the same time.
# 3. Javascript to improve loading and execution efficiency methods
#: The performance of JavaScript in the browser has become the most important availability issue facing developers. And this problem is complicated due to the obstruction characteristics of JavaScript, which means that when the browser executes JavaScript code, it cannot do anything else at the same time. This article details how to correctly load and execute the JavaScript code to improve its performance in the browser.
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Introduction: Program involved: JRun 2.3.x Description: JRun 2.3.x sample files expose site security information details: JRun 2.3.x There are some servlet sample files in the JRUN_HOME/servlets directory. This directory is JRun 2.3 .x is used to load and execute servlets files. All files with the extension ".java" or "class" must be deleted because of this
8. Javascript Loading and Execution-Performance Improvement_javascript Tips
Introduction: The performance problem of Javascript in the browser may be the most important usability problem; the blocking browser of Js uses a single process to handle the UI process and the execution of Js ;Whether it is embedded or externally linked, download and execute immediately because it may modify the page
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