How to use "Object?.property" syntax in React

Question

I can use this way to prevent undefined error when the object is undefined , but it not work in React. i want to know is this ES6’syntax or other syntax?

sorry ; forgot to say that: i can use this syntax in angular2 project.but doesn't work in react project — junk
– junk, Commented Feb 23, 2017 at 3:25
"EC6’syntax or other syntax?" Not it's not. Seems to be some custom syntax from angular. — Felix Kling
– Felix Kling, Commented Feb 23, 2017 at 3:43

Tyler Egeto · Accepted Answer · 2017-02-23 05:51:52Z

4

The safe navigation operator is a feature of Angular, and not part of the JavaScript langauge. As a result, it will not work in React applications.

answered Feb 23, 2017 at 5:51

Tyler Egeto

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2 Comments

gor181 Over a year ago

Usually people use _.get from lodash.

junk Over a year ago

but lodsh not work too..i don't know why every time i got undefiend such as _.get({name:"123"},'name') and returned undefined

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