国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂
Community
Articles
Topics
Q&A
Learn
Course
Programming Dictionary
Tools Library
Development tools
Website Source Code
PHP Libraries
JS special effects
Website Materials
Extension plug-ins
AI Tools
Leisure
Game Download
Game Tutorials
English
簡(jiǎn)體中文
English
繁體中文
日本語(yǔ)
???
Melayu
Fran?ais
Deutsch
Login
singup
首頁(yè)
>
課程
>
Javascript fun class
>
Section training
Section training
目錄列表
Javascript fun class
Introduction to JavaScript
Introduction to Java...
The first JavaScript...
Add JavaScript to we...
external JavaScript
JavaScript comments
Section training
basic concepts
JavaScript variables
type of data
arithmetic operators
comparison operator
Logical Operators
String operators
Section training
if statement
if statement
else statement
else if statement
switch statement
JavaScript for loop
while loop
do while loop
Break and Continue s...
Section training
function
define function
Function parameters
multiple parameters
return statement
Alert warning box
Section training
object
object
object constructor
Object initializatio...
Add method
Section training
core object
Array object
create array
Array properties and...
associative array
Math object
time object
Section training
DOM & Event
What is DOM?
Select element
change properties
Add and remove eleme...
animation
Events
image slideshow
form validation
Section training
網(wǎng)頁(yè)中的三種核心語(yǔ)言是什么？
HTML
PHP
JavaScript
CSS
請(qǐng)?zhí)顚?xiě)缺少的命令，將文件“code.js”添加到您的網(wǎng)頁(yè)。
<script
="text/javascript"
="code.js"></
>
為什么要將Javascript代碼放在關(guān)閉正文標(biāo)簽之前？
因?yàn)檫@是唯一可行的方法.
因?yàn)檫@樣符合標(biāo)準(zhǔn).
讓瀏覽器窗口中的網(wǎng)頁(yè)完全加載.
1
/3
繼續(xù)
正確
錯(cuò)誤
