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The for...in statement is used to loop (iterate) through the elements of an array or through the properties of an object.
for...in声明通过一组元素或对象属性进行循环(重复)。
For...In statement
How to use a for...in statement to loop through the elements of an array.
怎样通过一组元素来使用for...in声明进行循环。
The for...in statement is used to loop (iterate) through the elements of an array or through the properties of an object.
for...in声明通过一组元素或对象属性进行循环(重复)。
The code in the body of the for ... in loop is executed once for each element/property.
在for...in循环躯干部分里的代码针对每个元素/属性执行一次。
Syntax
语法
for (variable in object) |
The variable argument can be a named variable, an array element, or a property of an object.
变量可以是数组或是对象的属性。
Using for...in to loop through an array:
数组使用for...in循环:
<html> <script type="text/javascript"> </body> |