Why is the findIndex() method used? What does it return in case the value is not found?

Why is the findIndex() method used? What does it return in case the value is not found?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, angularjs, topic-specific, javascript, frontend

参考答案摘要

findIndex() method returns the position of the element in any object. In case the element is not found then the method returns -1. For example: var index = $scope.objectsList.findIndex(obj => obj.date...

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