Faster JavaScript Trim

Note 1: The comparison is based on trimming the Magna Carta (over 27,600 characters) with a bit of leading and trailing whitespace 20 times on my personal system. However, the data you're trimming can have a major impact on performance, which is detailed below. Note 2: trim4 and trim6 are the most commonly found in JavaScript libraries today. Note 3: The aforementioned bad implementation is not in

[ethertank]

なんであんな事してるんだろうと思ってた es5-shim.js の「new RegExp("^" + ws + ws + "*")」　はどうも高速化の為のものだったらしい

[escape_artist]

速いって言ってもmsの話だけど。

[efcl]

空文字を取り除くときの正規表現のスピード比較。トリム。

[murky-satyr]

「\s+」＜「\s\s*」

[hisasann]

空白のTrim処理、一番速いのはfor文で1文字ずつ探す方法。正規表現は遅い可能性あり

[facet]

むーん。