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Created October 16, 2012 11:12
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JS: String.prototype.trim polyfill
Raw
README.md

String.prototype.trim polyfill for 140byt.es

Adds the trim method to strings in versions of JavaScript that do not natively support it.

Raw
annotated.js
''.trim || (String.prototype.trim = // Use the native method if available, otherwise define a polyfill:
function () { // trim returns a new string (which replace supports)
return this.replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g,'') // trim the left and right sides of the string
})
Raw
index.js
''.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g,'')})
Raw
LICENSE.txt
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2011 Eli Perelman http://eliperelman.com
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
Raw
package.json
{
"name": "StringPrototypeTrimPolyfill",
"description": "Adds the trim method to strings in versions of JavaScript that do not natively support it.",
"keywords": [
"string",
"prototype",
"trim",
"polyfill",
"ecmascript5"
]
}
Raw
test.html
<!DOCTYPE html>
<title>String.prototype.trim polyfill</title>
<script>
''.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g,'')})
// logs 'my awesome string'
console.log(' my awesome string '.trim());
</script>
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