Method trim

benchmark/data.js:1025–1027

(charType)

		return this.trim('[\\r\\n]');
	}
	trim(charType) {
		return this.trimStart(charType).trimEnd(charType);
	}
	trimStart(charType) {
		const rx = new RegExp('^' + (charType || '\\s') + '+');
		this.intro = this.intro.replace(rx, '');