23 lines
		
	
	
		
			400 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			23 lines
		
	
	
		
			400 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| 
								 | 
							
								---
							 | 
						|||
| 
								 | 
							
								title: Math Random
							 | 
						|||
| 
								 | 
							
								localeTitle: 数学随机
							 | 
						|||
| 
								 | 
							
								---
							 | 
						|||
| 
								 | 
							
								## 数学随机
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								`Math.random()`返回0(包括)和1(不包括)之间的数字。
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								#### 句法
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								`Math.random()`
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								#### 例
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								```js
							 | 
						|||
| 
								 | 
							
								function randomInRange(min, max) { 
							 | 
						|||
| 
								 | 
							
								  return Math.random() * (max - min) + min; 
							 | 
						|||
| 
								 | 
							
								 } 
							 | 
						|||
| 
								 | 
							
								```
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								#### 更多信息:
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
								[MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random)
							 |