# Slide

This is the base class all slides classes (CoverSlide, QuestionSlide, FeedbackSlide, EndSlide) will extend from.

```javascript
/**
 * Returns the type of the slide Cover, Filter, Info, Form, End
 */
getType()

/**
 * Returns true if this slide is of the type indicated.
 * @param type Cover, Filter, Info, Form, End
 * @returns {boolean}
 */
isType(type)

/**
 * Returns the slide title
 * @returns {string}
 */
getTitle()

/**
 * Resturns the slide subtitle
 * @returns {string}
 */
getSubtitle()

/**
 * Returns the slide content title
 * @returns {string}
 */
getContentTitle()

/**
 * Returns true if the slide has a defined background image
 *
 * @returns {boolean}
 */
hasImage()

/**
 * Returns the slide background image
 * @returns {string}
 */
getImage()

/**
 * Return true if we can go to the next slide.
 * For example, in case of a slide with mandatory question, we can only go to the next slide when an answer is selected.
 *
 * @returns {boolean}
 */
canNext()

/**
 * Return true if we can go back to the previous slide.
 * For example, we can't go back before the first slide.
 *
 * @returns {boolean}
 */
canBack()

/**
 * Return true if we can skip the current slide.
 * For example, a slide with mandatory answers can't be skipped.
 *
 * @returns {boolean}
 */
canSkip()

/**
 * Returns the back button label
 *
 * @returns {String}
 */
getBackLabel()

/**
 * Returns the next button label
 *
 * @returns {String}
 */
getNextLabel()

```


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