javascript - How to search an array built with a select multiple in Mongoose/Express -


i building search form relies on select multiple attribute.

here code form.

<form action="/search" method="get">   <select name="q" multiple>     <optgroup label="fruit">       <option value="peach">peach</option>       <option value="apple">apple</option>       <option value="pear">pear</option>     <optgroup label="meat">       <option value="chicken">chicken</option>       <option value="beef">beef</option>       <option value="pork">port</option>    <optgroup label="dairy">       <option value="milk">milk</option>       <option value="cheese">cheese</option>       <option value="yogurt">yogurt</option>   </select> </form>

here part of mongoose schema.

// db.js var recipeschema = new schema({   user_id      : string,   name         : string,   ingredients : [ string ],   updated_at   : date });

here search route callback.

// routes/index.js

exports.search = function(req, res) {   recipe.find({ 'ingredients' : { $all: [req.query.q] }, 'name', function(err, recipes) {  if (err) return handleerror(err);    res.render('./index', { title: "recipe book", recipes : recipes});  });

};

if pass 1 value http://yourserver:3000/?q=milk, of recipes have milk ingredient displayed; however, wtih 2 valueshttp://yourserver:3000/search?q=milk&q=beef nothing displayed.

view displaying results

.row   p welcome #{title}   table.table     thead       th name     tbody     each recipe in recipes       tr         td= recipe.name

i can't see doing wrong or why isn't working. ideas appreciated

completely revising answer correct:

console.log(req.param('q'));

calling .param() function compile parameters array.


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