JavaScript Library SoSciTools

SoSci Survey automatically embeds a JavaScript library SoSciTools in the questionnaire. This can be used in JavaScripts within the questionnaire.

The following static methods are available through SoSciTools:

• SoSciTools.getForm() – Returns the HTML form element <form> of the questionnaire.
• SoSciTools.disableInputs() – Deactivates all input and selection fields on the current questionnaire page (e.g. to display questions again without the participant changing anything, see also answers())
• SoSciTools.disableInputs2() – Replaces all input and selection fields with graphics or text elements.

• SoSciTools.questionnaire – instance of SoSciTools.Questionnaire to control the questionnaire page
• SoSciTools.progress – Instance of SoSciTools.Progress to control the progress bar.

• SoSciTools.submitPage() – Transmit the responses of the current page, as if the Next button was pressed.

• SoSciTools.submitButtonsHide() – Hide next and back button
• SoSciTools.submitButtonsDisplay() – Show next and back button
• SoSciTools.showButtons() –Display of Next and Back button or other buttons (language switcher, cancel interview, interrupt interview) control
• SoSciTools.submitButtonEnable() – Switch the Next button active or inactive (disabled)

• SoSciTools.attachEvent() – Assigns a function to one or more JavaScript events (cross-browser)
• SoSciTools.attachEventToForm() – Assigns a function to any change within the questionnaire page (cross-browser)
• SoSciTools.detachEvent() – Detaches a previously assigned function from a JavaScript event (cross-browser).
• SoSciTools.dispatchEvent() – Triggers a JavaScript event (cross-browser)
• SoSciTools.getSender() – Determines the source object of a JavaScript event (cross-browser).
• SoSciTools.inArray() – Checks if an element is contained in an array (cross-browser)
• SoSciTools.recordTime() – records the processing time in an internal variable, see also LatencyTimer.
• SoSciTools.dynamicRows() – shows the input fields of a text input question as needed.

The variable SoSciTools.questionnaire hosts an object of the class SoSciTools.Questionnaire. The object supports the following methods:

The variable SoSciTools.questionnaire hosts an object of the class SoSciTools.Questionnaire

• attachCheck() – Registers a function to check the input. The function is called when the participant uses the Next button.
• submit() – Transmit the responses of the current page, as if the Next button was pressed.

The variable SoSciTools.progress contains an object of the class SoSciTools.Progress and supports the following methods:

• addEventListener() – Registers a function for the events 'present' or 'change'.
• set() – Changes the displayed percentage value. Unlike the PHP function option('progress', ...), this does not affect the percentage value displayed on the following page.