原创 [翻譯]High Performance JavaScript(012)

第四章  Algorithms and Flow Control  算法和流程控制       The overall structure of your code is one of the main determinants as t

2020-06-19 16:24:27 2

原创 [翻譯]High Performance JavaScript(013)

Conditionals  條件表達式       Similar in nature to loops, conditionals determine how execution flows through JavaScript. Th

2020-06-19 15:32:29 1

原创 [翻譯]High Performance JavaScript(005)

第二章  Data Access  數據訪問     One of the classic computer science problems is determining where data should be stored for

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(011)

Repaints and Reflows  重繪和重排版       Once the browser has downloaded all the components of a page—HTML markup, JavaScript

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(009)

第三章  DOM Scripting  DOM編程       DOM scripting is expensive, and it's a common performance bottleneck in rich web applic

2020-02-23 14:47:51 1

原创 [翻譯]High Performance JavaScript(003)

Dynamic Script Elements  動態腳本元素       The Document Object Model (DOM) allows you to dynamically create almost any part

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(007)

Dynamic Scopes  動態作用域       Both the with statement and the catch clause of a try-catch statement, as well as a functio

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(004)

XMLHttpRequest Script Injection  XHR腳本注入       Another approach to nonblocking scripts is to retrieve the JavaScript co

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(008)

Nested Members  嵌套成員       Since object members may contain other members, it's not uncommon to see patterns such as wi

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(002)

Grouping Scripts 成組腳本     Since each <script> tag blocks the page from rendering during initial download, it's helpful

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(010)

Cloning Nodes  節點克隆       Another way of updating page contents using DOM methods is to clone existing DOM elements ins

2020-02-23 14:47:51

原创 [翻譯]High Performance JavaScript(006)

Identifier Resolution Performance  標識符識別性能       Identifier resolution isn't free, as in fact no computer operation rea

2020-02-23 14:47:50

原创 [翻譯]High Performance JavaScript(001)

第一章  Loading and Execution  加載和運行       JavaScript performance in the browser is arguably the most important usability

2020-02-23 14:47:50 2

原创 [翻譯]High Performance JavaScript(022)

第七章  Ajax  異步JavaScript和XML       Ajax is a cornerstone of high-performance JavaScript. It can be used to make a page l

2018-08-26 10:23:00 1

原创 [翻譯]High Performance JavaScript(031)

Firebug       Firefox is a popular browser with developers, partially due to the Firebug addon (available at http://www

2018-08-26 10:23:00