String.prototype.trimStart()
Returns a new string with whitespace removed from the beginning.
Syntax
str.trimStart()Returns
string — A new string with leading whitespace removed.
Examples
console.log(' hello '.trimStart() + '|');
Output
hello |
console.log('\n\t x'.trimStart());
Output
x
Notes
Only trims the start; trailing whitespace is preserved. `trimLeft` is a legacy
alias. Does not mutate the original string.
Browser & runtime support
| Environment | Since version |
|---|---|
| chrome | 66 |
| firefox | 61 |
| safari | 12 |
| edge | 79 |
| node | 10 |