fdsfd
This commit is contained in:
parent
628618df89
commit
e031240dff
3749 changed files with 1120848 additions and 1 deletions
42
node_modules/lodash/indexOf.js
generated
vendored
Normal file
42
node_modules/lodash/indexOf.js
generated
vendored
Normal file
|
@ -0,0 +1,42 @@
|
|||
var baseIndexOf = require('./_baseIndexOf'),
|
||||
toInteger = require('./toInteger');
|
||||
|
||||
/* Built-in method references for those with the same name as other `lodash` methods. */
|
||||
var nativeMax = Math.max;
|
||||
|
||||
/**
|
||||
* Gets the index at which the first occurrence of `value` is found in `array`
|
||||
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
|
||||
* for equality comparisons. If `fromIndex` is negative, it's used as the
|
||||
* offset from the end of `array`.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @since 0.1.0
|
||||
* @category Array
|
||||
* @param {Array} array The array to inspect.
|
||||
* @param {*} value The value to search for.
|
||||
* @param {number} [fromIndex=0] The index to search from.
|
||||
* @returns {number} Returns the index of the matched value, else `-1`.
|
||||
* @example
|
||||
*
|
||||
* _.indexOf([1, 2, 1, 2], 2);
|
||||
* // => 1
|
||||
*
|
||||
* // Search from the `fromIndex`.
|
||||
* _.indexOf([1, 2, 1, 2], 2, 2);
|
||||
* // => 3
|
||||
*/
|
||||
function indexOf(array, value, fromIndex) {
|
||||
var length = array == null ? 0 : array.length;
|
||||
if (!length) {
|
||||
return -1;
|
||||
}
|
||||
var index = fromIndex == null ? 0 : toInteger(fromIndex);
|
||||
if (index < 0) {
|
||||
index = nativeMax(length + index, 0);
|
||||
}
|
||||
return baseIndexOf(array, value, index);
|
||||
}
|
||||
|
||||
module.exports = indexOf;
|
Loading…
Add table
Add a link
Reference in a new issue