JavaScript typedArray.length()用法及代碼示例

typedArray.length 是 JavaScript 中的內置屬性，用於返回給定 typedArray 的長度。

用法:

typedArray.length

參數：它不接受任何參數，因為它是屬性而不是函數。返回值：它返回給定 typedArray 的長度。

示例 1：

javascript


// Creating a typedArray with some elements 
var A = new Uint8Array([5, 10, 15, 15, 5, 20, 10]); 
var B = new Uint8Array([5, 10]); 
var C = new Uint8Array([5, 10, 15]); 
var D = new Uint8Array([5, 10, 15, 15, 5]); 
var E = new Uint8Array([5, 10, 15, 15, 5, 20]); 
  
// Calling length() function 
b = A.length      
c = B.length     
d = C.length   
e = D.length 
f = E.length 
  
  
// Printing the length of the typedArray 
console.log(b); 
console.log(c); 
console.log(d); 
console.log(e); 
console.log(f);

輸出：

示例 2：

javascript


// Creating some ArrayBuffer with a size in bytes 
const A = new ArrayBuffer(8); 
const B = new ArrayBuffer(6); 
const C = new ArrayBuffer(16); 
const D = new ArrayBuffer(32); 
  
// Creating some typedArray with the above sizes  
// of the buffer 
const E = new Uint8Array(A); 
const F = new Uint8Array(B); 
const G = new Uint8Array(C); 
const H = new Uint8Array(D); 
  
// Calling length property 
a = E.length 
b = F.length 
c = G.length 
d = H.length 
  
// Printing the length of the typedArray 
console.log(a); 
console.log(b); 
console.log(c); 
console.log(d);

輸出：

相關用法

注：本文由純淨天空篩選整理自Kanchan_Ray大神的英文原創作品 JavaScript typedArray.length() Method。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。