ription' field is not updated. What is the most likely reason?","difficulty":"easy","domain":"User Interface Development","domainSlug":"ui-dev","topic":"","questionNumber":0,"totalQuestions":0,"options":[{"key":"A","isCorrect":false,"text":"The script is missing a semicolon after the setValue statement.","explanation":"Missing semicolons do not prevent execution.","masteryContext":""},{"key":"B","isCorrect":true,"text":"The 'short_description' field is defined as read-only on the form.","explanation":"g_form.setValue cannot modify read-only fields.","masteryContext":""},{"key":"C","isCorrect":false,"text":"g_form is not available in the onChange client script.","explanation":"g_form is available in all client script types.","masteryContext":""},{"key":"D","isCorrect":false,"text":"The script runs before the new value is assigned to the field.","explanation":"The onChange event fires after the value changes.","masteryContext":""}],"correctOptionKey":"B","correctOptions":["B"],"correctAnswerText":"","isMultiSelect":false,"mainExplanation":"G_form.setValue() cannot update a read-only field. If 'short_description' is defined as read-only on the form, the script will fail to change its value. Option A is incorrect because a missing semicolon would not prevent the field update; JavaScript allows optional semicolons. Option C is incorrect because g_form is available in onChange client scripts. Option D is incorrect because the onChange event fires after the new value is assigned to the field, so the script runs with the updated value.","examTrap":null,"examTip":null,"technicalDeepDive":null,"keyConcepts":[],"faqs":[],"eliminationLogic":null,"exhibitText":"Refer to the exhibit.\n```javascript\n// Client Script (onChange)\nfunction onChange(control, oldValue, newValue, isLoading, isTemplate) {\n if (isLoading) return;\n g_form.setValue('short_description', 'Updated');\n}\n```","exhibitUrl":null,"hasExhibit":false,"isExhibitQuestion":false,"questionPairs":null,"hasMatchingPairs":false,"isMatchingQuestion":false,"relatedQuestions":[],"breadcrumbItems":null,"nextQuestionUrl":null,"previousQuestionUrl":null,"domainPracticeUrl":null,"certificationUrl":null,"domainUrl":null,"hasAnswerOptions":true,"updatedAt":"2026-06-24T10:09:53.719549+00:00","questionType":"multiple_choice"},{"id":"22a4b2d7-7fb0-4df5-81d9-64703c222665","slug":"the-above-jelly-script-is-used-to-generate-a-ui-page-when-r-uwdw6","certificationSlug":"servicenow-cad","examCode":"SNOW-CAD","examName":"ServiceNow Certified Application Developer CAD","questionText":"The above Jelly script is used to generate a UI Page. When rendered, the 'cmdb_ci' field does not appear. What is the most likely cause?","difficulty":"hard","domain":"User Interface Development","domainSlug":"ui-dev","topic":"","questionNumber":0,"totalQuestions":0,"options":[{"key":"A","isCorrect":false,"text":"The Jelly namespace declaration for 'g2' is missing, causing the field to be ignored","explanation":"The g2 namespace is unused; the rendering uses 'g:' prefix already declared.","masteryContext":""},{"key":"B","isCorrect":false,"text":"The element must be inside a rather than ","explanation":" can be inside directly; the issue is the nested .","masteryContext":""},{"key":"C","isCorrect":true,"text":"The containing 'cmdb_ci' is improperly nested inside another ","explanation":"Invalid nesting causes the parser to drop the inner element.","masteryContext":""},{"key":"D","isCorrect":false,"text":"The 'cmdb_ci' field has a mandatory attribute that conflicts with the UI policy","explanation":"The exhibit does not show a mandatory attribute on cmdb_ci.","masteryContext":""}],"correctOptionKey":"C","correctOptions":["C"],"correctAnswerText":"","isMultiSelect":false,"mainExplanation":"When a is nested inside another , the inner element is ignored by the Jelly UI framework. The proper structure requires that be placed directly within a or <