15 lines
		
	
	
		
			678 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
		
			678 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | title: Loops | |||
|  | localeTitle: 循环 | |||
|  | --- | |||
|  | 循环在JavaScript中用于根据条件执行重复任务。条件通常在分析时返回`true`或`false` 。循环将继续运行,直到定义的条件返回`false` 。 | |||
|  | 
 | |||
|  | 循环有三种常见类型: | |||
|  | 
 | |||
|  | *   [对于](http://forum.freecodecamp.com/t/javascript-for-loop/14666) | |||
|  | *   [而](http://forum.freecodecamp.com/t/javascript-while-loop/14668) | |||
|  | *   [做的](http://forum.freecodecamp.com/t/javascript-for-loop/14662) | |||
|  | 
 | |||
|  | 您可以键入`js for` , `js while`或`js do while`以获取有关这些内容的更多信息。 | |||
|  | 
 | |||
|  | > 链接: [MDN **for循环**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for)
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