//How to Set a lookup value using JavaScript?

var lookup = new Array();
lookup[0] = new Object();
lookup[0].id = recorid;
lookup[0].name = recordname;
lookup[0].entityType = entityname;

//Alternate method to set lookup value
Xrm.Page.getAttribute(“attributename”).setValue([{ id: recorid, name: recordname, entityType: entityname}]);

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