Use PHP functions in JavaScript

JavaScript rtrim

Removes trailing whitespace

function rtrim ( str, charlist ) {
    // Removes trailing whitespace  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/rtrim    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Erkekjetter
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman
    // +   input by: rem    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: rtrim('    Kevin van Zonneveld    ');
    // *     returns 1: '    Kevin van Zonneveld'
    charlist = !charlist ? ' \\s\u00A0' : (charlist+'').replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\\$1');
    var re = new RegExp('[' + charlist + ']+$', 'g');    return (str+'').replace(re, '');
}

external links: original PHP docs | raw js source

Examples

Running

1	rtrim(' Kevin van Zonneveld ');

Should return

1	' Kevin van Zonneveld'

Dependencies

No dependencies, you can use this function standalone.

Open syntax issues

php.js uses JsLint to help us keep our code consistent and prevent some common bugs.

Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.

Authors

Thanks to the following developers, you get to have rtrim goodness in JavaScript.

Kevin van Zonneveld ( original improved )
Erkekjetter ( input )
rem ( input )
Onno Marsman ( bugfixed )
Brett Zamir ( bugfixed )

Comments

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Use:

[CODE]
your_stuff('here');
[/CODE]

for proper code formatting
By submitting code here you are allowing us to use it in php.js hence dual licensing it under the MIT and GPL licenses

Brett Zamir
7 Nov '09

@rem: Thanks for alerting us to this. While most of the ingredients were there, I guess someone forgot to do the escaping...Fixed in http://github.com/kvz/phpjs/commit/7e0c05cb7c5049dfa89c39fc8460df48aca76948 . Should also be online here shortly.

rem
4 Nov '09

What if to rtrim a string like stringname[0]
rtrim(stringname[0], '[0]') will return 'stringname[' which it's incorect

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