javascript - How do I get the value from a data-selected input option? -


how can data-selected's value input? let's want "title" value that?

$( document ).ready(function() {  	//console.log("prdcl ready");  	$("#digital_object_prdcls__0__prdcl_links__0__ref_").on('keyup change', prdcl_link);  	$("#digital_object_prdcls__0__volume_num_").on('keyup change', prdcl_link);  	$("#digital_object_prdcls__0__issue_num_").on('keyup change', prdcl_link);        function prdcl_link(){  		//console.log("entered function");  		var valp = {};  		valp = $("#digital_object_prdcls__0__prdcl_links__0__ref_").data('data-selected');  		console.log(valp);          var valv = $("#digital_object_prdcls__0__volume_num_").val();  		//console.log(valv);          var vali = $("#digital_object_prdcls__0__issue_num_").val();  		//console.log(vali);       };  });
<input type="text" class="linker initialised" id="digital_object_prdcls__0__prdcl_links__0__ref_" data-label="publication" data-label_plural="publications" data-name="ref" data-path="digital_object[prdcls][0][prdcl_links][0]" data-url="/search.json" data-browse-url="/search.js?" data-selected="{"lock_version":0,"publication":"1111","publisher":"1111","title":"1111 (1111)","created_by":"admin","last_modified_by":"admin","create_time":"2016-06-01t14:46:46z","system_mtime":"2016-06-01t14:46:46z","user_mtime":"2016-06-01t14:46:46z","jsonmodel_type":"prdcl_title","uri":"/prdcl_titles/9"}" data-multiplicity="one" data-format_template="title" data-types="["prdcl_title"]" style="display: none;">

don't use first data- chunk of attribute in code:

valp = $("#digital_object_prdcls__0__prdcl_links__0__ref_").data('selected');

source: http://api.jquery.com/data/#data-html5


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