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You can perform detection on your own, instead of adding events to each checkbox. The delete function is not implemented.
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Blueidea reply, recommended
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Splice Method
Remove one or more elements from an array. If necessary, insert a new element to the position of the removed element to return the removed element.
ArrayObj. splice (start, deleteCount, [item1 [, item2 [,... [, itemN])
Parameters
ArrayObj is required. An Array object.
Start
Required. Specifies the start position of the element to be removed from the array. This position is calculated from 0.
DeleteCount
Required. The number of elements to be removed.
Item1, item2,..., itemN
Required. The new element to be inserted at the position of the removed element.
Description
The splice method can remove the specified number of elements starting from the start position and insert new elements to modify arrayObj. The returned value is a new Array object consisting of the removed elements.
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