Update index.md (#19715)

2018-10-18 15:48:05 +05:30 · 2018-10-18 15:48:05 +05:30 · 4a6d1b49ff
parent a0df3b05d2
commit 4a6d1b49ff
1 changed files with 2 additions and 0 deletions
--- a/guide/english/certifications/front-end-libraries/react/use-the-lifecycle-method-componentwillmount/index.md
+++ b/guide/english/certifications/front-end-libraries/react/use-the-lifecycle-method-componentwillmount/index.md
@ -23,3 +23,5 @@ componentWillMount() {
  console.log('Component being mounted');
 }
 ```
+
+##### Note: The ``` componentWillMount ``` Lifecycle method has been deprecated as of version 17, and does not work on later versions. [(Source)](https://reactjs.org/docs/react-component.html)