set lookup field & managed meta data field using jsom in sharepoint -


setting lookup field & managed meta data field value using jsom. through jsom need set value list .

setting lookup , managed metadata columns through code

try , modify below sample code:

var clientcontext = new sp.clientcontext(_sppagecontextinfo.webabsoluteurl);   var list = clientcontext.get_web().get_lists().getbytitle('testlist');   var itemcreateinfo = new sp.listitemcreationinformation();   var listitem = list.additem(itemcreateinfo);  var singlelookupcolumn = new sp.fieldlookupvalue();   singlelookupcolumn.set_lookupid(2);   listitem.set_item('customlookup', singlelookupcolumn);   var field = list.get_fields().getbyinternalnameortitle("testtaxonomy");   var taxfield = clientcontext.castto(field, sp.taxonomy.taxonomyfield);   var taxonomycol = new sp.taxonomy.taxonomyfieldvalue();   taxonomycol.set_label("test");   taxonomycol.set_termguid("23d03b66-5be6-512b-9fe3-ff13b9b4757c");   taxonomycol.set_wssid(-1);   taxfield.setfieldvaluebyvalue(listitem, taxonomycol);   listitem.update();   clientcontext.load(listitem);   clientcontext.executequeryasync(function(){     console.log("success"); },function(){     console.log("error"); });

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