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Add comments to _.escape and _.repeat. [ci skip]

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John-David Dalton
2014-07-11 08:57:51 -07:00
parent caadd5bb32
commit 46704724e3
1 changed files with 4 additions and 0 deletions
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4
lodash.js
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@@ -7792,6 +7792,7 @@
* // => 'fred, barney, & pebbles' * // => 'fred, barney, & pebbles'
*/ */
function escape(string) { function escape(string) {
// reset `lastIndex` because in IE < 9 `String#replace` does not
string = string == null ? '' : String(string); string = string == null ? '' : String(string);
return (reUnescapedHtml.lastIndex = 0, reUnescapedHtml.test(string)) return (reUnescapedHtml.lastIndex = 0, reUnescapedHtml.test(string))
? string.replace(reUnescapedHtml, escapeHtmlChar) ? string.replace(reUnescapedHtml, escapeHtmlChar)
@@ -7967,6 +7968,9 @@
return result; return result;
} }
string = String(string); string = String(string);
// leverage the exponentiation by squaring algorithm for a faster repeat
// http://en.wikipedia.org/wiki/Exponentiation_by_squaring
do { do {
if (n % 2) { if (n % 2) {
result += string; result += string;