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Traversing for in and usage of with in javascript_Basic knowledge

WBOY
WBOYOriginal
2016-05-16 16:25:181275browse

for in loops through the properties of an object

With statement: (Object operation statement)
                   Function: Create a default object for a program

Format:

Copy code The code is as follows:

with(){

                                                                                                                                                                           

        }


Specific example:

Copy code The code is as follows:

/*Running effect:
person.name = Rene Liu
person.gender = female
*/

Do you guys have some understanding of the usage of traversing for in and with in javascript? This is the basis for learning javascript.

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