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optimize string comparisons. fixes #743

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This commit is contained in:
Igor Vaynberg 2013-01-24 08:31:43 -08:00
parent dc8fbba511
commit acc6f7923e
1 changed files with 5 additions and 26 deletions
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31
select2.js
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@ -102,39 +102,18 @@ the specific language governing permissions and limitations under the Apache Lic
nextUid=(function() { var counter=1; return function() { return counter++; }; }());
function indexOf(value, array) {
var i = 0, l = array.length, v;
if (typeof value === "undefined") {
return -1;
}
if (value.constructor === String) {
for (; i < l; i = i + 1) if (value.localeCompare(array[i]) === 0) return i;
} else {
for (; i < l; i = i + 1) {
v = array[i];
if (v.constructor === String) {
if (v.localeCompare(value) === 0) return i;
} else {
if (v === value) return i;
}
}
}
var i = 0, l = array.length;
for (; i < l; i = i + 1) if (value === array[i]) return i;
return -1;
}
/**
* Compares equality of a and b taking into account that a and b may be strings, in which case localeCompare is used
* Compares equality of a and b
* @param a
* @param b
*/
function equal(a, b) {
if (a === b) return true;
if (a === undefined || b === undefined) return false;
if (a === null || b === null) return false;
if (a.constructor === String) return a.localeCompare(b) === 0;
if (b.constructor === String) return b.localeCompare(a) === 0;
return false;
return a===b;
}
/**
@ -491,7 +470,7 @@ the specific language governing permissions and limitations under the Apache Lic
}
}
if (original.localeCompare(input) != 0) return input;
if (original!==input) return input;
}
/**