aaac7fed
 liuqimichale
add
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/*!
* longest <https://github.com/jonschlinkert/longest>
*
* Copyright (c) 2014-2015, Jon Schlinkert.
* Licensed under the MIT License.
*/
'use strict';
module.exports = function(arr) {
if (!arr) {
return null;
}
var len = arr.length;
if (!len) {
return null;
}
var c = 0;
var i = 0;
var ele;
var elen;
var res;
for (; i < len; i++) {
ele = arr[i].toString();
elen = ele.length;
if (elen > c) {
res = ele;
c = elen;
}
}
return res;
};
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