// we have an array of objects, we want to remove one object using only the id property
var apps = [{id:34,name:'My App',another:'thing'},{id:37,name:'My New App',another:'things'}];
// get index of object with id:37
var removeIndex = apps.map(function(item) { return item.id; }).indexOf(37);
// remove object
apps.splice(removeIndex, 1);
//1
someArray.shift(); // first element removed
//2
someArray = someArray.slice(1); // first element removed
//3
someArray.splice(0, 1); // first element removed
//4
someArray.pop(); // last element removed
//5
someArray = someArray.slice(0, a.length - 1); // last element removed
//6
someArray.length = someArray.length - 1; // last element removed
var array = ['Object1', 'Object2'];
// SIMPLE
array.pop(object); // REMOVES OBJECT FROM ARRAY (AT THE END)
// or
array.shift(object); // REMOVES OBJECT FROM ARRAY (AT THE START)
// ADVANCED
array.splice(position, 1);
// REMOVES OBJECT FROM THE ARRAY (AT POSITION)
// Position values: 0=1st, 1=2nd, etc.
// The 1 says: "remove 1 object at position"