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Editorial Team
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Asked: 2026-05-22T12:25:43+00:00

Why do I get this error with this code: Uncaught SyntaxError: Unexpected token {

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Why do I get this error with this code: Uncaught SyntaxError: Unexpected token { on line 1.

var cube_points = {
    {'x' : 100, 'y' : 100, 'z' : 100},
    {'x' : 100, 'y' : 100, 'z' : -100},
    {'x' : -100, 'y' : 100, 'z' : -100},
    {'x' : -100, 'y' : 100, 'z' : 100},
    {'x' : 100, 'y' : -100, 'z' : 100},
    {'x' : 100, 'y' : -100, 'z' : -100},
    {'x' : -100, 'y' : -100, 'z' : -100},
    {'x' : -100, 'y' : -100, 'z' : 100}
};
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1 Answer

  1. Editorial Team

    Your outer object’s elements have values but no keys. If you want an array of cube points, use the square bracket to denote an array literal:

    var cube_points = [
    {'x' : 100, 'y' : 100, 'z' : 100},
    {'x' : 100, 'y' : 100, 'z' : -100},
    {'x' : -100, 'y' : 100, 'z' : -100},
    {'x' : -100, 'y' : 100, 'z' : 100},
    {'x' : 100, 'y' : -100, 'z' : 100},
    {'x' : 100, 'y' : -100, 'z' : -100},
    {'x' : -100, 'y' : -100, 'z' : -100},
    {'x' : -100, 'y' : -100, 'z' : 100}
];

    If you want an object, give the items a key. This could be numbers or letters or even objects:

    var cube_points = {
    1: {'x' : 100, 'y' : 100, 'z' : 100},
    2: {'x' : 100, 'y' : 100, 'z' : -100},
    'q': {'x' : -100, 'y' : 100, 'z' : -100},
    'z': {'x' : -100, 'y' : 100, 'z' : 100},
    '25': {'x' : 100, 'y' : -100, 'z' : 100},
    '26': {'x' : 100, 'y' : -100, 'z' : -100},
    10: {'x' : -100, 'y' : -100, 'z' : -100},
    11: {'x' : -100, 'y' : -100, 'z' : 100}
};

    Obviously, using an object necessitates some kind of orderly system of key selection. Since your points aren’t easily named, you’re better off using an array. But I wanted to show what object literal notation would look like.

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