13 lines
389 B
JavaScript
13 lines
389 B
JavaScript
"use strict";
|
|
|
|
var value = require("../../../object/valid-value")
|
|
, toInteger = require("../../../number/to-integer")
|
|
, max = Math.max
|
|
, min = Math.min;
|
|
|
|
module.exports = function (searchString/*, position*/) {
|
|
var start, self = String(value(this));
|
|
start = min(max(toInteger(arguments[1]), 0), self.length);
|
|
return self.indexOf(searchString, start) === start;
|
|
};
|