wecui
Version:
一款基于Vue2.x版本的移动端web组件
11 lines (10 loc) • 309 B
JavaScript
var getKeys = require('./_object-keys');
var toIObject = require('./_to-iobject');
module.exports = function (object, el) {
var O = toIObject(object);
var keys = getKeys(O);
var length = keys.length;
var index = 0;
var key;
while (length > index) if (O[key = keys[index++]] === el) return key;
};