_.findIndex(array, [predicate=_.identity])
这个方法类似
_.findpredicate<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>数组元素查找</title>
</head>
<body>
<script src="https://cdn.bootcss.com/lodash.js/4.17.10/lodash.min.js"></script>
<script type="text/javascript">
var users = [{
'user': 'barney',
'active': false
},
{
'user': 'fred',
'active': false
},
{
'user': 'pebbles',
'active': true
}
];
var index = _.findIndex(users, {
'user': 'fred',
'active': false
});
console.log(index);
//[3]
</script>
</body>
</html>
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 错误的解决)
