javascript - sortby using Underscore -

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i trying sort records using underscore _.sortby() function . requirement give higher priority names starting _ . eg . if code 

var patients = [     [{name: 'john', roomnumber: 1, bednumber: 1}],     [{name: 'lisa', roomnumber: 1, bednumber: 2}],     [{name: '_a', roomnumber: 2, bednumber: 1}],     [{name: 'omar', roomnumber: 3, bednumber: 1}] ]; var sortedarray = _.sortby(patients, function(patient) {     return patient[0].name; });

i want have record _a, roomnumber: 2, bednumber: 1 on top . in sense want sort ignore strings starting _

try code.

var patients = [      [{name: '_john', roomnumber: 1, bednumber: 1}],      [{name: 'lisa', roomnumber: 1, bednumber: 2}],      [{name: '_a', roomnumber: 2, bednumber: 1}],      [{name: 'amar', roomnumber: 3, bednumber: 1}]  ];    var sortedbychar = _.sortby(patients, function(patient) {        return (patient[0].name.indexof('_') != 0) ? patient[0].name[0] : patient[0].name[1];      });    var finalarray = _.sortby(sortedbychar, function(patient) {    return (patient[0].name.indexof('_') != 0);   });    alert(json.stringify(finalarray));
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>

you can play around fiddle adding underscores other names , see how sorts.


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