babel/packages/babel-plugin-proposal-numeric-separator/test/fixtures/removal/exec.js

assert.equal(1_000, 1000);
assert.equal(0xAE_BE_CE, 0xAEBECE);
assert.equal(0b1010_0001_1000_0101, 0b1010000110000101);
assert.equal(0o0_6_6_6, 0o0666);