You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
549 B
21 lines
549 B
5 months ago
|
var helperCreateiterateIndexOf = require('./helperCreateiterateIndexOf')
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 返回对象第一个索引值
|
||
|
|
*
|
||
|
|
* @param {Object} obj 对象/数组
|
||
|
|
* @param {Function} iterate(item, index, obj) 回调
|
||
|
|
* @param {Object} context 上下文
|
||
|
|
* @return {Object}
|
||
|
|
*/
|
||
|
|
var findIndexOf = helperCreateiterateIndexOf(function (obj, iterate, context) {
|
||
|
|
for (var index = 0, len = obj.length; index < len; index++) {
|
||
|
|
if (iterate.call(context, obj[index], index, obj)) {
|
||
|
|
return index
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1
|
||
|
|
})
|
||
|
|
|
||
|
|
module.exports = findIndexOf
|