If you use jquery, you can use $.inArray instead of indexOf , which is cross browser compatible. ... Make sure index!==(-1) , i.e. item exists in ... ... <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>
In p5 arrays have a length property that keeps track of how many elements it ... So far, the constructor function has been assigning random values to the x ... ... <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>
