javascript-objects

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 days ago . I want to toggle the Boolean value of this nested input object var obj = { a: { b: { c: false } } }; in an efficient way so that obj is output as: { a: { b: { c: true } } }; I am using: Object.keys(obj).map(function(k, i) { // Check if obj is Boolean else if object nest again till I find the Boolean

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 days ago . I want to toggle the Boolean value of this nested input object var obj = { a: { b: { c: false } } }; in an efficient way so that obj is output as: { a: { b: { c: true } } }; I am using: Object.keys(obj).map(function(k, i) { // Check if obj is Boolean else if object nest again till I find the Boolean

问题 I am trying to make a node express app where I fetch data from different url's making a call to node-fetch to pull the body of some pages and other information about certain url endpoints. I want to then render a html table to display this data through an array of information. I am having trouble with the call to render the information as all the functions are asynchronous making it difficult to make sure all the promise calls have been resolved before making my call to render the page. I

问题 I have the following array of object const skus = [ { id: 1, features: ["Slim"], fields: [ { label: "Material", value: "Material1" }, { label: "Type", value: "Type1" } ] }, { id: 2, features: ["Cotton"], fields: [ { label: "Material", value: "Material2" }, { label: "Type", value: "Type2" } ] }, { id: 3, features: ["Slim"], fields: [ { label: "Material", value: "Material3" }, { label: "Type", value: "Type1" } ] } ] And i want the expected output to be const output = [ { label: "features",

问题 hello guys i have a problem to format my firebase-data into array this is my service where im retrieving data from firebase filename: subcategory.service.ts export class SubcategoryService { subcategoryRef: AngularFireList<any> = null; constructor(private db: AngularFireDatabase) { this.subcategoryRef = db.list("/subCategory"); } getSubCategoriesById(inp_subCatid: string): Observable<any[]> { return this.subcategoryRef.snapshotChanges().pipe( take(1), map(changes => changes.map(c => ({ key: c

问题 I have the array of people below: const FIRST_ARRAY = [ { name: 'Simon', age: 32, occupation: 'Student' }, { name: 'Vera', age: 22, occupation: 'Developer' } ]; I would like to filter the array to produce a separate array based on a 'filters' object. For example if my filters are: const FILTERS = { age: 32, name: 'John', occupation: '' }; The new array should be empty as no people in the array have the combination of 32 and John. However if my filters are: const FILTERS = { age: 32, name:

问题 I have the array of people below: const FIRST_ARRAY = [ { name: 'Simon', age: 32, occupation: 'Student' }, { name: 'Vera', age: 22, occupation: 'Developer' } ]; I would like to filter the array to produce a separate array based on a 'filters' object. For example if my filters are: const FILTERS = { age: 32, name: 'John', occupation: '' }; The new array should be empty as no people in the array have the combination of 32 and John. However if my filters are: const FILTERS = { age: 32, name:

问题 I'm puzzled as of why Mongoose isn't saving my object: var objectToSave = new ModelToSave({ _id : req.params.id, Item : customObject.Item //doesn't save with customObject.getItem() neither }); But is saving this; as is below or with hardcoded values: var objectToSave = new ModelToSave({ _id : req.params.id, Item : { SubItem : { property1 : customObject.Item.SubItem.property1, //also saves with customObject.getItem().SubItem.getProperty1() property2 : customObject.Item.SubItem.property2 } } })

问题 I am trying to convert this array let orders = [ { amount: '100', user: 'admin', date: 'March 6, 2019' }, { amount: '120', user: 'admin', date: 'March 6, 2019' }, { amount: '80', user: 'admin', date: 'March 7, 2019' }, { amount: '200', user: 'admin', date: 'March 7, 2019' }, ]; to something like this orders = [ ['100', 'admin', 'March 6, 2019'], ['120', 'admin', 'March 6, 2019'], ['80', 'admin', 'March 7, 2019'], ['200', 'admin', 'March 7, 2019'], ]; and I have read that Objects.values()

问题 I am trying to convert this array let orders = [ { amount: '100', user: 'admin', date: 'March 6, 2019' }, { amount: '120', user: 'admin', date: 'March 6, 2019' }, { amount: '80', user: 'admin', date: 'March 7, 2019' }, { amount: '200', user: 'admin', date: 'March 7, 2019' }, ]; to something like this orders = [ ['100', 'admin', 'March 6, 2019'], ['120', 'admin', 'March 6, 2019'], ['80', 'admin', 'March 7, 2019'], ['200', 'admin', 'March 7, 2019'], ]; and I have read that Objects.values()