var keyid = 'str6-986';
var tableData = [{Id:'6789-201',Type:'试产'},{Id:'str6-986',Type:'量产'},{Id:'o786-112',Type:'试产'}
];
for(var i=0; i<tableData.length; i++){if(tableData[i].Id === keyid){tableData.splice(i,1);}
}
console.log(tableData);