When you delete an array element, the array length is not affected. For example, if you delete a[3], a[4] is still a[4] and a[3] is undefined. This ... ... <看更多>

Deleting elements using JavaScript Array's splice() method ... The position specifies the position of the first item to delete and the num argument determines the ... ... <看更多>

Remove object from array of objects in Javascript. ... splice-object-array.js ... This will help me on my todo list delete function. have been searching for ... ... <看更多>

To remove elements from an array, we can use the splice function. It takes two parameters. The second one says how many elements we would like to remove; the ... ... <看更多>

Use the delete operator to delete the element: delete array[index];. If you don't want to leave a gap, you need to move each element manually: ... <看更多>