// Numbas version: finer_feedback_settings
{"name": "Emma's copy of Show a block of HTML based on a random value", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"tags": ["demo"], "type": "question", "rulesets": {}, "variables": {"a": {"group": "Ungrouped variables", "definition": "random(1,2,3)", "name": "a", "description": "", "templateType": "anything"}}, "statement": "<div id=\"statement-1\" class=\"choosediv\">This is block&nbsp;<strong>ONE</strong></div>\n<div id=\"statement-2\" class=\"choosediv\">This is block&nbsp;<strong>TWO</strong></div>\n<div id=\"statement-3\" class=\"choosediv\">This is block&nbsp;<strong>THREE</strong></div>\n<!-- invisible div to contain the call to the showdiv function -->\n<div style=\"display: none;\">{showdiv(a)}</div>\n<p>Click&nbsp;<em>Try another question like this one</em> to re-randomise the question and see a different block of text.</p>", "ungrouped_variables": ["a"], "functions": {"showdiv": {"type": "html", "definition": "//hide all the divs\n$('.choosediv').hide();\n\n//show the one corresponding to the parameter n.\n$('#statement-'+n).show();\n  return $('');", "language": "javascript", "parameters": [["n", "number"]]}}, "preamble": {"js": "", "css": ""}, "variablesTest": {"condition": "", "maxRuns": 100}, "variable_groups": [], "advice": "", "metadata": {"licence": "Creative Commons Attribution 4.0 International", "notes": "<p>In this question, each possible bit of content is given a unique ID and set to be hidden by default. A custom javascript function shows the relevant content based on the random variable.&nbsp;</p>\n    <p>Turn off the rich text editor on the statement to see what's going on.</p>", "description": "<p><strong>Update:&nbsp;</strong>you&nbsp;can now use the&nbsp;<em>conditional visibility</em>&nbsp;button to do this more easily - see <a href=\"http://numbas-editor.readthedocs.org/en/latest/how-do-i.html#show-one-of-several-blocks-of-text-based-on-a-random-variable\">the documentation</a>.</p>\n<p>If the statement or advice for your question differs greatly depending on a random variable (for instance, if you're picking from a selection of scenarios), you only want to show content for the relevant scenario.</p>\n<p>This question shows one way of doing that.</p>"}, "parts": [], "showQuestionGroupNames": false, "name": "Emma's copy of Show a block of HTML based on a random value", "question_groups": [{"pickQuestions": 0, "name": "", "pickingStrategy": "all-ordered", "questions": []}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Emma Cliffe", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1343/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Emma Cliffe", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1343/"}]}