It wouldn’t sound too obvious but sometimes your function might need to return multiple values. For instance, in one of the applications I’m working on, I have a JavaScript function where I have to calculate two different values and return them. So, I needed to return two values from ...
function returnMultipleValues() { var value1 = 'Value 1'; var value2 = 'Value 2'; var value3 = 'Value 3'; return [value1, value2, value3]; } var result = returnMultipleValues(); console.log(result); // ['Value 1', 'Value 2', 'Value 3'] 使用对象:可以创建一个包含需要返回...
.error.message.value; } catch (e) { errorText = req.responseText } return new Error("Error : " + req.status + ": " + req.statusText + ": " + errorText); }, _dateReviver: function (key, value) { /// /// Private function to convert matching string values to Date objects. ...
.error.message.value; } catch (e) { errorText = req.responseText } return new Error("Error : " + req.status + ": " + req.statusText + ": " + errorText); }, _dateReviver: function (key, value) { /// /// Private function to convert matching string values to Date objects. ...
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JavaScript 入门指南(全) 原文:Beginning JavaScript 协议:CC BY-NC-SA 4.0 一、JavaScript 简介 这些年来,avaScript 发生了很大变化。我们目前正处于一个 JavaScript 库的时代,你可以构建任何你想构建的东西。JavaScri
constobject = [1,2,3,4];constvalueToRemove =3;constarrObj =Object.values(Object.fromEntries(Object.entries(object).filter(([key, val]) =>val !== valueToRemove)));console.log("object utilites", arrObj);// [1,2,4] 11、 lodash f...
Unlike the Popup profile, this profile allows popup authors to return multiple values within a single element.In this profile, expressions must return a dictionary, and may access a feature's attributes with $feature, or data from other features and layers using $layer, $map, and $datastore....
letforDeletion=[2,3,5];letmularr=[1,2,3,4,5,3];mularr=mularr.filter(item=>!forDeletion.includes(item));console.log("multiple value deletion with filter",mularr);//[1, 4] 对象数组: letusers7=[{id:1,name:"ted"},{id:2,name:"mike"},{id:3,name:"bob"},{id:4,name:"sara...
('design:type',Function),__metadata('design:paramtypes',[Number,Object,Foo]),__metadata('design:returntype',String),],Foo.prototype,'method',null)__decorate([d,__metadata('design:type',Object)],Foo,'staticMember',void0)Foo=__decorate([d,__metadata('design:paramtypes',[Object])],...