Objek. metode keys() digunakan untuk mengembalikan nama properti objek sebagai array. Properti length digunakan untuk mendapatkan jumlah kunci yang ada di objek. Ini memberikan panjang objek. Show Sintaksis objectLength = Object.keys(exampleObject).length Contoh. html
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;2 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;2 > var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 head >
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < <!DOCTYPE html> 5 <!DOCTYPE html> 6<!DOCTYPE html> 7<!DOCTYPE html> 8<!DOCTYPE html> 9<!DOCTYPE html> 5>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < < 5var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;3 < 5>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2>
________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_91_______3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2> ________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_89_______7 ________90______4 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < > 4 > 5<!DOCTYPE html> 7> 7>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;00 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 > 4>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;08 >
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;11 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_12
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;14
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 html 7var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 html 9var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 > 1
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;27
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;29
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;32 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_33 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;34 ________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_91_______3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;08 > var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 <!DOCTYPE html> 1>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;47 Keluaran Temukan panjang objek JavaScript Metode 2. Ulangi semua bidang objek dan periksa propertinya Metode hasOwnProperty() digunakan untuk mengembalikan nilai boolean yang menunjukkan apakah objek memiliki properti yang ditentukan sebagai propertinya sendiri. Metode ini dapat digunakan untuk memeriksa apakah setiap kunci ada di objek itu sendiri. Isi objek dilingkarkan dan jika kuncinya ada, jumlah total kunci bertambah. Ini memberikan panjang objek. Sintaksis var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_ Contoh. html
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;2 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;2 > var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 head >
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < <!DOCTYPE html> 5 <!DOCTYPE html> 6<!DOCTYPE html> 7<!DOCTYPE html> 8<!DOCTYPE html> 9<!DOCTYPE html> 5>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < < 5var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;3 < 5>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;97
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;99 ________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_91_______3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < html 2> ________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_89_______7 ________90______4 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html 2>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < > 4 > 5<!DOCTYPE html> 7> 7>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;00 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 > 4>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 < var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;08 >
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;11
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;14
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 html 7var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 html 9var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_17 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;97 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_17 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_99
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;17 <!DOCTYPE html> 84
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_33 <!DOCTYPE html> 87var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_33 <!DOCTYPE html> 89var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_33 <!DOCTYPE html> 91
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;32 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_33 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;34 ________90 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;_91_______3 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;0 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;08 > var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 <!DOCTYPE html> 1>
var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;6 html var key, count = 0; // Check if every key has its own property for (key in exampleObject) { if (exampleObject.hasOwnProperty(key)) // If the key is found, add it to the total length count++; } objectLenght = count;47 Keluaran Temukan panjang objek JavaScript JavaScript terkenal untuk pengembangan halaman web tetapi juga digunakan di berbagai lingkungan non-browser. Anda dapat mempelajari JavaScript dari awal dengan mengikuti Tutorial JavaScript dan Contoh JavaScript ini Bagaimana cara mendapatkan jumlah kunci dalam objek JavaScript?keys() dan properti length digunakan untuk menghitung jumlah kunci dalam suatu objek. Objek. metode keys() mengembalikan array dari nama properti enumerable objek yang diberikan i. e. ["nama", "umur", "hobi"]. Properti length mengembalikan panjang array.
Bagaimana cara mendapatkan jumlah pasangan nilai kunci dalam JavaScript?Untuk mendapatkan jumlah kunci dalam suatu objek. . Panggil Objeknya. keys() metode, meneruskan objek sebagai parameter Akses properti panjang pada hasilnya Objek. metode kunci mengembalikan array yang berisi kunci objek Bagaimana cara mendapatkan kunci suatu objek dalam JavaScript?Bagaimana cara mendapatkan Kunci, Nilai, dan Entri di Objek JavaScript? . Obyek. keys(obj) – mengembalikan semua kunci objek sebagai larik Obyek. values(obj) – mengembalikan semua nilai objek sebagai array Obyek. entri(obj) – mengembalikan larik [kunci, nilai] Bagaimana cara mendapatkan jumlah properti objek dalam JavaScript?Gunakan Objek. keys() metode, meneruskan objek yang ingin Anda periksa, untuk mendapatkan array dari semua properti enumerable objek (milik sendiri) . |