Faster string checking

[benaadams]

all.js is slower; but stops the perf drop off for string-number.js and string.js while infinity.js, null.js and number.js remain the same.

Pre

# fixtures\all.js (1999 bytes)
  current x 132,852 ops/sec ±0.73% (91 runs sampled)
  isFinite x 78,473 ops/sec ±0.74% (87 runs sampled)
  parseFloat x 52,720 ops/sec ±0.73% (90 runs sampled)

  fastest is current

# fixtures\infinity.js (31 bytes)
  current x 9,379,571 ops/sec ±0.71% (90 runs sampled)
  isFinite x 8,673,045 ops/sec ±0.99% (88 runs sampled)
  parseFloat x 9,349,973 ops/sec ±0.87% (85 runs sampled)

  fastest is current,parseFloat

# fixtures\null.js (27 bytes)
  current x 9,881,334 ops/sec ±0.81% (85 runs sampled)
  isFinite x 9,174,926 ops/sec ±0.99% (84 runs sampled)
  parseFloat x 5,786,175 ops/sec ±1.05% (85 runs sampled)

  fastest is current

# fixtures\number.js (24 bytes)
  current x 9,648,380 ops/sec ±1.16% (86 runs sampled)
  isFinite x 9,754,646 ops/sec ±0.88% (84 runs sampled)
  parseFloat x 9,875,265 ops/sec ±1.18% (84 runs sampled)

  fastest is parseFloat

# fixtures\string-number.js (26 bytes)
  current x 6,573,899 ops/sec ±0.78% (86 runs sampled)
  isFinite x 9,039,481 ops/sec ±0.74% (87 runs sampled)
  parseFloat x 8,963,505 ops/sec ±1.22% (84 runs sampled)

  fastest is isFinite,parseFloat

# fixtures\string.js (28 bytes)
  current x 5,076,053 ops/sec ±0.52% (90 runs sampled)
  isFinite x 7,560,679 ops/sec ±1.12% (87 runs sampled)
  parseFloat x 5,281,447 ops/sec ±0.57% (91 runs sampled)

  fastest is isFinite

Post

# fixtures\all.js (1999 bytes)
  current x 86,061 ops/sec ±0.80% (84 runs sampled)
  isFinite x 79,889 ops/sec ±0.82% (88 runs sampled)
  parseFloat x 48,906 ops/sec ±1.23% (87 runs sampled)

  fastest is current

# fixtures\infinity.js (31 bytes)
  current x 9,423,049 ops/sec ±0.74% (87 runs sampled)
  isFinite x 8,208,189 ops/sec ±0.86% (85 runs sampled)
  parseFloat x 9,221,105 ops/sec ±0.75% (89 runs sampled)

  fastest is current

# fixtures\null.js (27 bytes)
  current x 9,473,699 ops/sec ±1.32% (89 runs sampled)
  isFinite x 9,154,602 ops/sec ±1.04% (84 runs sampled)
  parseFloat x 5,601,123 ops/sec ±0.69% (87 runs sampled)

  fastest is current

# fixtures\number.js (24 bytes)
  current x 9,553,038 ops/sec ±1.01% (89 runs sampled)
  isFinite x 9,833,637 ops/sec ±0.75% (86 runs sampled)
  parseFloat x 9,633,350 ops/sec ±1.11% (87 runs sampled)

  fastest is isFinite

# fixtures\string-number.js (26 bytes)
  current x 9,509,395 ops/sec ±1.10% (85 runs sampled)
  isFinite x 9,009,025 ops/sec ±1.00% (84 runs sampled)
  parseFloat x 9,464,318 ops/sec ±1.34% (86 runs sampled)

  fastest is current,parseFloat

# fixtures\string.js (28 bytes)
  current x 7,750,388 ops/sec ±1.19% (85 runs sampled)
  isFinite x 7,217,064 ops/sec ±1.12% (87 runs sampled)
  parseFloat x 5,109,932 ops/sec ±0.76% (86 runs sampled)

  fastest is current

[jonschlinkert]

Awesome thank you!

[jonschlinkert]

published and released as 6.0. thanks again!

[benaadams]

Glad to help 😄