Find the index of the array element you want to remove using indexOf , and then remove that index with splice . The splice() method changes the contents of ... ... <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>

source: http://stackoverflow.com/questions/16491758/remove-objects-from-array-by-object-property. // get index of object with id:37. ... <看更多>

So to add an extra element at the end of the array, we can do this: function mouseClicked() { bubbles[bubbles.length] = new Bubble(); }. ... <看更多>