let data = 'Child 1 First Name: AlinChild 1 Gender: FemalenChild 1 Hair Color: BlondenChild 1 Hair Style: WavynChild 1 Skin Tone: TannChild 2 First Name: Morgan nChild 2 Gender: FemalenChild 2 Hair Color: BrownnChild 2 Hair Style: PonytailnChild 2 Skin Tone: LightnRelationship 1 to 2: BrothernRelationship 2 to 1: Brothern';
let target = {};
data.split('n').forEach((pair) => {
if(pair !== '') {
let splitpair = pair.split(': ');
let key = splitpair[0].charAt(0).toLowerCase() + splitpair[0].slice(1).split(' ').join('');
target[key] = splitpair[1];
}
});
console.dir(target);Category: object
how to return an object in javascript
var mycar = new Car('Eagle', 'Talon TSi', 1993);
function Car(make, model, year) {
this.make = make;
this.model = model;
this.year = year;
}
function func() {
return {
name: "Name",
age: 34
};
}how to remove __proto__ from javascript object
// Replacing the original prototype with null
MyConstructor.prototype = Object.create(null);
// Replacing the original prototype with null
MyConstructor.prototype = Object.create(null);how to remove key value pair from object in javascript
delete object.keyname;
var obj = {a: 5, b: 3};
delete obj["a"];
console.log(obj); // {b: 3}how to remove key value pair from object js
var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name propertyHow to remove object from array of objects using JavaScript geeksforgeeks
a = [
{prop1:"abc",prop2:"qwe"},
{prop1:"bnmb",prop2:"yutu"},
{prop1:"zxvz",prop2:"qwrq"}];
index = a.findIndex(x => x.prop2 ==="yutu");
console.log(index);how to remove an object from array in react native
const items = ['a', 'b', 'c', 'd', 'e', 'f']
const valueToRemove = 'c'
const filteredItems = items.filter(item => item !== valueToRemove)
// ["a", "b", "d", "e", "f"]
how to remove duplicate array object in javascript
let person = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"}];
function removeDuplicates(data, key) {
return [
new Map(data.map(item => [key(item), item])).values()
]
};
console.log(removeDuplicates(person, item => item.name));
let days = ["senin","senin","selasa","selasa","rabu","kamis", "rabu"];
let fullname = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"},{name: "jane"}];
// REMOVE DUPLICATE FOR ARRAY LITERAL
const arrOne = new Set(days);
console.log(arrOne);
const arrTwo = days.filter((item, index) => days.indexOf(item) == index);
console.log(arrTwo);
// REMOVE DUPLICATE FOR ARRAY OBJECT
const arrObjOne = [new Map(person.map(item => [JSON.stringify(item), item])).values()];
console.log(arrObjOne);
const arrObjTwo = Array.from(new Set(person.map(JSON.stringify))).map(JSON.parse);
console.log(arrObjTwo);
let person = [
{name: "john"},
{name: "jane"},
{name: "imelda"},
{name: "john"},
{name: "jane"}
];
const obj = [new Map(person.map(item => [JSON.stringify(item), item])).values()];
console.log(obj);
let person = [
{name: "john"},
{name: "jane"},
{name: "imelda"},
{name: "john"},
{name: "jane"}
];
const data = Array.from(new Set(person.map(JSON.stringify))).map(JSON.parse);
console.log(data);
const addresses = []; // Some array I got from async call
const uniqueAddresses = Array.from(new Set(addresses.map(a => a.id)))
.map(id => {
return addresses.find(a => a.id === id)
})
var arrayWithDuplicates = [
{"type":"LICENSE", "licenseNum": "12345", state:"NV"},
{"type":"LICENSE", "licenseNum": "A7846", state:"CA"},
{"type":"LICENSE", "licenseNum": "12345", state:"OR"},
{"type":"LICENSE", "licenseNum": "10849", state:"CA"},
{"type":"LICENSE", "licenseNum": "B7037", state:"WA"},
{"type":"LICENSE", "licenseNum": "12345", state:"NM"}
];
function removeDuplicates(originalArray, prop) {
var newArray = [];
var lookupObject = {};
for(var i in originalArray) {
lookupObject[originalArray[i][prop]] = originalArray[i];
}
for(i in lookupObject) {
newArray.push(lookupObject[i]);
}
return newArray;
}
var uniqueArray = removeDuplicates(arrayWithDuplicates, "licenseNum");
console.log("uniqueArray is: " + JSON.stringify(uniqueArray));how to remove a property from an object in javascript
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"],
"bark": "bow-wow"
};
delete ourDog.bark;
delete obj.firstname;
var string = "Hello World";
var substring = "Hello";
if (string.indexOf(substring) != -1) {
//Code here
}
var person = {
name: "Harry",
age: 16,
gender: "Male"
};
// Deleting a property completely
delete person.age;
alert(person.age); // Outputs: undefined
console.log(person); // Prints: {name: "Harry", gender: "Male"}how to push in object in javascript
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
if ( data[index].Status == "Valid" ) {
tempData.push( data );
}
}
data = tempData;