Compilation of javascript basic knowledge_Basic knowledge-JS Tutorial-php.cn

Compilation of javascript basic knowledge_Basic knowledge

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Release： 2016-05-16 18:25:48

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1 Create script block
Program code

Copy code The code is as follows:

2 Hide script code
Program code

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]

In browsers that do not support JavaScript The relevant code will not be executed in the browser3. When the browser does not support it, it will be displayed

Program code

Copy code

The code is as follows:

4 Link external script files
Program code

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The code is as follows:

5 Comment Script

Program Code

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The code is as follows:

 
// This is a comment 
document. write("Hello"); // This is a comment 
/* 
All of this 
is a comment 
*/ 

6 output to Browser

Program code

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The code is as follows:

document. write("Hello jb51 .net");

7 Define variables

Program code

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The code is as follows:

var myVariable = "some value";

8 String addition
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The code is as follows:

var myString = "String1" "String2";

9 String search
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]
10 string Replace

program codeCopy code

The code is as follows:

thisVar.replace ("Monday","Friday");

11 Format string

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12 创建数组
程序代码

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13 数组排序
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14 分割字符串
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15 弹出警告信息
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16 弹出确认框
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17 自定义函数
程序代码

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18 调用JS函数
程序代码

复制代码代码如下:

Link text
Link text

19 在页面加载完成后执行函数
程序代码

复制代码代码如下:

Body of the page

20 条件判断
程序代码

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21 specified times of loop
Program code

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