var contains = t.testCaseCategoryIdList.filter(s => s === cid).length > 0;
时间: 2024-05-25 13:18:43 浏览: 13
This is a JavaScript code that checks if a specific element exists in an array.
Explanation:
- `t.testCaseCategoryIdList` is an array.
- `filter()` is a JavaScript array method that creates a new array with all elements that pass a certain condition. In this case, it creates a new array with all elements that are strictly equal to `cid`.
- `length` is a property of an array that returns the number of elements in the array.
- `> 0` is a comparison operator that checks if the length of the filtered array is greater than 0.
- The result of this operation is a boolean (true or false) that indicates whether `cid` exists in `t.testCaseCategoryIdList`.
So, this code checks whether `cid` exists in `t.testCaseCategoryIdList` and assigns the result to the `contains` variable. If `cid` is found in the array, `contains` will be true, otherwise, it will be false.