clear(forceClearAll = false) {
        if (forceClearAll) {
            const temporaryForcedOptions = {
                emptyInputBehavior: AutoNumeric.options.emptyInputBehavior.focus,
            };
            this.set('', temporaryForcedOptions);
        } else {
            this.set('');
        }

        return this;
    }
Reset the element value either to the empty string '', or the currency sign, depending on the `emptyInputBehavior` option value.
If you set the `forceClearAll` argument to `true`, then the `emptyInputBehavior` option is overridden and the whole input is clear, including any currency sign.

@param {boolean} forceClearAll
@returns {AutoNumeric}