generateRequirementsFromHtmlValidation.jquery.js

   /**
     * Generate an array of English requirements from the html element validation
     * @param $element
     * @returns {*[]}
     */
    const generateRequirementsFromHtmlValidation = function($element){
        var min = null;
        var max = null;
        var minlength = null;
        var maxlength = null;
        var pattern = null;

        var requirements = [];

        if ($element.attr('required')){
            requirements.push('required');
        }
        if ((min = $element.attr('min')) !== undefined){
            requirements.push('a minimum of '+min);
        }
        if ((max = $element.attr('max')) !== undefined){
            requirements.push('a maximum of '+max);
        }
        if ((minlength = $element.attr('minlength')) !== undefined){
            requirements.push('a minimum length of '+minlength);
        }
        if ((maxlength = $element.attr('maxlength')) !== undefined){
            requirements.push('a maximum length of '+maxlength);
        }
        if ((pattern = $element.attr('pattern')) !== undefined){
            requirements.push('has a regular expression of "'+pattern+'"');
        }
        return requirements;
    }