@gerhobbelt/mathjax-third-party-extensions
Version:
A list of MathJax extensions provided by third-party contributors
11 lines (9 loc) • 433 B
JavaScript
var makeString = require('./helper/makeString');
var defaultToWhiteSpace = require('./helper/defaultToWhiteSpace');
var nativeTrim = String.prototype.trim;
module.exports = function trim(str, characters) {
str = makeString(str);
if (!characters && nativeTrim) return nativeTrim.call(str);
characters = defaultToWhiteSpace(characters);
return str.replace(new RegExp('^' + characters + '+|' + characters + '+$', 'g'), '');
};