学习?学个屁 06c63c15cc 初始化提交 пре 10 месеци
..
.github 06c63c15cc 初始化提交 пре 10 месеци
test 06c63c15cc 初始化提交 пре 10 месеци
.eslintrc 06c63c15cc 初始化提交 пре 10 месеци
.nycrc 06c63c15cc 初始化提交 пре 10 месеци
CHANGELOG.md 06c63c15cc 初始化提交 пре 10 месеци
LICENSE 06c63c15cc 初始化提交 пре 10 месеци
README.md 06c63c15cc 初始化提交 пре 10 месеци
index.d.ts 06c63c15cc 初始化提交 пре 10 месеци
index.js 06c63c15cc 初始化提交 пре 10 месеци
package.json 06c63c15cc 初始化提交 пре 10 месеци
tsconfig.json 06c63c15cc 初始化提交 пре 10 месеци

README.md

typed-array-length Version Badge

dependency status dev dependency status License Downloads

npm badge

Robustly get the length of a Typed Array, or false if it is not a Typed Array. Works cross-realm, in every engine, even if the length property is overridden.

Example

var typedArrayLength = require('typed-array-length');
var assert = require('assert');

assert.equal(false, typedArrayLength(undefined));
assert.equal(false, typedArrayLength(null));
assert.equal(false, typedArrayLength(false));
assert.equal(false, typedArrayLength(true));
assert.equal(false, typedArrayLength([]));
assert.equal(false, typedArrayLength({}));
assert.equal(false, typedArrayLength(/a/g));
assert.equal(false, typedArrayLength(new RegExp('a', 'g')));
assert.equal(false, typedArrayLength(new Date()));
assert.equal(false, typedArrayLength(42));
assert.equal(false, typedArrayLength(NaN));
assert.equal(false, typedArrayLength(Infinity));
assert.equal(false, typedArrayLength(new Number(42)));
assert.equal(false, typedArrayLength('foo'));
assert.equal(false, typedArrayLength(Object('foo')));
assert.equal(false, typedArrayLength(function () {}));
assert.equal(false, typedArrayLength(function* () {}));
assert.equal(false, typedArrayLength(x => x * x));
assert.equal(false, typedArrayLength([]));

assert.equal(1, typedArrayLength(new Int8Array(1)));
assert.equal(2, typedArrayLength(new Uint8Array(2)));
assert.equal(3, typedArrayLength(new Uint8ClampedArray(3)));
assert.equal(4, typedArrayLength(new Int16Array(4)));
assert.equal(5, typedArrayLength(new Uint16Array(5)));
assert.equal(6, typedArrayLength(new Int32Array(6)));
assert.equal(7, typedArrayLength(new Uint32Array(7)));
assert.equal(8, typedArrayLength(new Float32Array(8)));
assert.equal(9, typedArrayLength(new Float64Array(9)));
assert.equal(10, typedArrayLength(new BigInt64Array(10)));
assert.equal(11, typedArrayLength(new BigUint64Array(11)));

Tests

Simply clone the repo, npm install, and run npm test