(newbie question) I am trying to figure it out why the following code works. The goal is to create keys from array elements and a .count (number of times the ID appears in the range). I am approaching it this…
So I have an array and I want to merge or totals it base on its name Here is an example data: [ { name: "Name1", amt : 100, tax : 10, total : 110 }, { name: "Name2", amt…
I am able to access Object.getPrototypeOf method, but why is the same not available for instantiated objects? const obj = {} obj.getPrototypeOf // is not a function
let list=[{key1,children[]},{key2,children[]},{key3,children[]}] How to get an array like this with javascript? list1=[{key1,children[{key2,children[{key3,children[]}]}]} I tried like this for (let i = 0; i < list.length; i++) { if (list[i + 1]) { list[0].children.push(list[i + 1]); } } but its pushing all…
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": {…