I was working on a react project and came accross this situation. Is it okay to set an empty arrow function to a variable while destructuring in javascript. Are there any cons if done like this ? const { onClick…
i have an array (0,...,n) and with several object. The array can be of any length. array = {{name: alice, age: 18, hobby: dance}, {name:bob, age: 27, hobby: cars}, {name: chloe, age:45, hobby: painting}}; Now I want a new array.…
If the property to be calculated only requires one statement, it is pretty simple let object = { array: new Array(10) }; Alternatively I can also do the following (though I don't like it as much) let object = {};…
I am trying to solve a difficult computation but i am not reaching anywhere. can someone please help Here is a simple example. const filterCityBy = "NY"; const data = [ { name: "Harry, age: 45, city: "NY" }, {…
I have the following array: var a = [ { "box":"1", "product":"Pen", "color":"White" }, { "box":"1", "product":"Pencil", "color":"Blue" }, { "box":"1", "product":"Marker", "color":"Red" }, { "box":"2", "product":"Paper", "color":"White"}, { "box":"2", "product":"GlossPaper", "color":"Yello"}, { "box":"3", "product":"Eraser", "color":"Pink"} ]; I would like…
I would like to know if there is a way to access the "description" property of the objects within the array and use some string cutting method, such as slice, returning an array of objects with the value of this…
I need a way to return true or false if in changeFields array "printLogs" key is present or not. The object is shown below. I have tried looping but somehow cant get my head to wrap around it. const printObj…
I'm having trouble reading a JSON that has a extent[6] data property. This is the JSON: { "SalesRep": [ { "SalesRep": "BBB", "RepName": "Brawn , Bubba B.", "Region": "East", "MonthQuota": [ 1600,1648,1697,1748,1800,1854 ] } ] } I want to read…
In JavaScript (assuming version is >= ES6), say that I have a class; class MyClass { constructor() { this.property = null; } } ... and I create two new instances of the class; let inst1 = new MyClass(), inst2 =…
I have 2 objects, as such: costsObj = { Honda: 24000, BMW: 55000, Toyota: 22000 }; stockObj = { Honda: 5, BMW: 1, Toyota: 2 } I want to combine the 2 objects into 1 array of objects that looks…