whiteboard & coding interview practice
whiteboard & coding interview practice
白板 & 面试 & 编码练习
Algorithm
https://www.freecodecamp.org/learn/coding-interview-prep/algorithms/
Data Structure
https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/
Typed Array & Array Buffer
https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/typed-arrays
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
/*
Type Each element size in bytes
Int8Array 1
Uint8Array 1
Uint8ClampedArray 1
Int16Array 2
Uint16Array 2
Int32Array 4
Uint32Array 4
Float32Array 4
Float64Array 8
*/
// 1 字节(1 bytes) === 8位
// 8位 占用 1 字节(1 bytes)
// 16位 占用 2 字节(2 bytes)
// 32位 占用 4 字节(4 bytes)
// 64位 占用 8 字节(8 bytes)
// create a TypedArray with a size in bytes
const typedArray1 = new Int8Array(8);
typedArray1[0] = 32;
const typedArray2 = new Int8Array(typedArray1);
typedArray2[1] = 42;
console.log(typedArray1);
// [32, 0, 0, 0, 0, 0, 0, 0]
console.log(typedArray2);
// [32, 42, 0, 0, 0, 0, 0, 0]
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer
const buffer = new ArrayBuffer(8);
// ⚠️ buffer 不可以直接读取, 必须创建对应的 view
const view = new Int32Array(buffer);
refs
Why I studied full-time for 8 months for a Google interview
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