JavaScript Glossary: String trim()
Publikováno: 25.3.2019
Basics
This method removes whitespaces from the start and end of the calling string. It removes spaces, tabs, no break spaces etc. It returns a new string stripped of whitespaces from both...
Basics
This method removes whitespaces from the start and end of the calling string. It removes spaces, tabs, no break spaces etc. It returns a new string stripped of whitespaces from both sides of the array.
" hello world ".trim()
// hello world
https://scotch.io/embed/gist/bbba1b8376fb9ccaf2f8ea21114a2537
Note the method is also case sensitive
Syntax
const trimmedSent = oldString.trim()
Returns a String
A new string object without whitespace at both ends. It doesn’t change the calling string.
Common Uses and Snippets
Removing whitespace from both ends of a string
This involves trimming user input strings before sending to the server:
https://scotch.io/embed/gist/5ef321045fd2dee5692f8455688a6a20