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Improve regex efficiency when trimming long ua string

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https://blog.stevenlevithan.com/archives/faster-trim-javascript
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Faisal Salman
2021-09-17 23:24:42 +07:00
parent 20a428c351
commit 336ce2b950
1 changed files with 1 additions and 1 deletions
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src/ua-parser.js
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@@ -91,7 +91,7 @@
}, },
trim = function (str, len) { trim = function (str, len) {
if (typeof(str) === STR_TYPE) { if (typeof(str) === STR_TYPE) {
str = str.replace(/^\s+|\s+$/g, EMPTY); str = str.replace(/^\s\s*/, EMPTY).replace(/\s\s*$/, EMPTY);
return typeof(len) === UNDEF_TYPE ? str : str.substring(0, UA_MAX_LENGTH); return typeof(len) === UNDEF_TYPE ? str : str.substring(0, UA_MAX_LENGTH);
} }
}; };