使用相同的键合并数组中的javascript对象

这是一个选择：

var array = [{  name: "foo1",  value: "val1"}, {  name: "foo1",  value: ["val2", "val3"]}, {  name: "foo2",  value: "val4"}];var output = [];array.forEach(function(item) {  var existing = output.filter(function(v, i) {    return v.name == item.name;  });  if (existing.length) {    var existingIndex = output.indexOf(existing[0]);    output[existingIndex].value = output[existingIndex].value.concat(item.value);  } else {    if (typeof item.value == 'string')      item.value = [item.value];    output.push(item);  }});console.dir(output);