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Trim whitespace

To trim whitespace from the edges of a string, use String.prototype.trim:

some whitespaced string “.trim(); // “some whitespaced string”

Many JavaScript engines, but not Internet Explorer, have implemented non-standard trimLeft and trimRight methods. There is a proposal, currently at Stage 1 of the process, for standardised trimStart and trimEnd methods, aliased to trimLeft and trimRight for compatibility.

// Stage 1 proposal

this is me

this is me

“.trimStart(); // “this is me “

“.trimEnd(); // “

this is me”

// Non-standard methods, but currently implemented by most engines

this is me

this is me

“.trimLeft(); // “this is me

“.trimRight(); // “

this is me”

Published:
December 31, 2022
Author:
admin
Category:
JavaScript/jQuery How to
Views:
16

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