freeCodeCamp/guide/chinese/javascript/tutorials/add-new-properties-to-a-jav...
Johnson f6d8d01ed3 add new method (#34136)
* add new method

* fix comment
2018-11-25 18:07:52 -08:00
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index.md add new method (#34136) 2018-11-25 18:07:52 -08:00