JavaScript Global Reference
The JavaScript global properties and methods can be used with all JavaScript objects.
JavaScript Global Methods and Properties
| 姓名 | 描述 |
|---|---|
| 解码URI（） | Decodes a URI |
| decodeURI Component() |
Decodes a URI component |
| 编码URI（） | Encodes a URI |
| encodeURI Component() |
Encodes a URI component |
| 逃脱（） | Deprecated. Use instead: 编码URI（） 编码URI组件（） |
| 评估（） | Evaluates a string and executes it as if it was script code |
| 无穷 | A numeric value that represents positive/negative infinity |
| 有限（） | Determines whether a value is a finite, legal number |
| 是NaN（） | Determines whether a value is an illegal number |
| 钠 | "Not-a-Number" value |
| 数字（） | Converts an object's value to a number |
| 解析浮点数（） | Parses a string and returns a floating point number |
| 解析Int() | Parses a string and returns an integer |
| 细绳（） | Converts an object's value to a string |
| 不明确的 | It Indicates that a variable has not been assigned a value |
| unescape() | Deprecated. Use instead: 解码URI（） 解码URI组件（） |
Note
Since these methods are global, and global the object is the browser window, these methods are actually window methods:
isNaN() is the same as window.isNaN().
