mirror of
https://github.com/nodejs/node.git
synced 2025-05-19 00:47:24 +00:00
2d441493a4
PR-URL: https://github.com/nodejs/io.js/pull/2286 Reviewed-By: Roman Reiss <me@silverwind.io>
17 lines
533 B
JavaScript
17 lines
533 B
JavaScript
'use strict';
|
|
|
|
var toInteger = require('../../../number/to-integer')
|
|
, value = require('../../../object/valid-value')
|
|
|
|
, min = Math.min, max = Math.max;
|
|
|
|
module.exports = function (searchString/*, endPosition*/) {
|
|
var self, start, endPos;
|
|
self = String(value(this));
|
|
searchString = String(searchString);
|
|
endPos = arguments[1];
|
|
start = ((endPos == null) ? self.length :
|
|
min(max(toInteger(endPos), 0), self.length)) - searchString.length;
|
|
return (start < 0) ? false : (self.indexOf(searchString, start) === start);
|
|
};
|