Method toggleClass

src/lgQuery.ts:236–246

(className: string)

        return this.firstElement.hasAttribute(attribute);
    }
    toggleClass(className: string): this {
        if (!this.firstElement) {
            return this;
        }
        if (this.hasClass(className)) {
            this.removeClass(className);
        } else {
            this.addClass(className);
        }
        return this;
    }

    css(property: string, value?: string | number): this {
        this._each((el: any) => {