function array_to_list(arr) { list = null for (i = arr.length; i >= 0; i--) { list = { value: arr[i], rest: list }; } return list; } x = array_to_list([10, 20]); console.log(JSON.stringify(x)); the output I get is : {"value":10,"rest":{"value":20,"rest":{"rest":null}}} but…
I am new to JavaScript and going through some of objects example, can some please explain below code... const car = {type:"Fiat", model:"500", color:"white"}; const {type} = car; console.log(type) On running the above code in node terminal I am getting…
I have the following json that is quite complex and detailed. I need to extrapolate information (text) from the json only if the resource-id contains the following text "com.shazam.android:id/" and if it contains the following props (["title", "subtitle", "datetime"]). If…
How would you extract every value of a key regardless of how deep or shallow it is in an array. Here is a sample JSON array. I want to grab every occurrence of "content" and concatenate them into a single…
I have large JSON object returned by my nodejs API server. I want to give users ability to query subset of fields similar to GraphQL but without schema. Object that is returned by API have set of standard fields but…
I have the following json object and trying to iterate with jQuery each but it only returns one iteration. What am I not doing right? var data = "{ "SIEcat4": { "3001": { "test": "test", "test": "test" }, "3300": {…
I have an array of objects: const obj = [{ id: 1, name: 'A' }, { id: 1, name: 'A' }, { id: 1, name: 'A' }, { id: 2, name: 'A' }, { id: 2, name: 'A' }] //…
For example: Object.defineProperty(Promise.prototype, 'onFinally', { get: () => {}, writable: false, }); or Object.freeze(Promise.prototype); These examples aren't work, is there a working way?
How to simplify a function that takes two parameters, an array of array objects and a string key, and returns an object with a structure the function must return a structure of type. { array[0][key]: array[0], array[1][key]: array[1], _${key}s: [array[0][key],…
I have an object js that contains other objects like this : const USER: { LANGUAGE: { 'editable': 1, 'decimal': 0, 'degree': 0, 'master': 1, 0: ['', '', 0], 1: ['', '', 1], }, LUM: { 'editable': 1, 'decimal': 0,…