SyntaxError: missing ) after formal parameters

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I run into the same error over and over again within the debugger, "SyntaxError: missing ) after formal parameters".

Here are my parameters I set:

var CircleOptions = {
    posBall: {
        x: 160, 
        y: 180
    },
    radius: 40,
    startAngle: 0, 
    endAngle: Math.PI * 2, 
    anticlockwise: false,
    radians: 0,
    xMove: Math.random(),
    yMove: Math.random(),
    speed:2,
    angle:80,
    velocityX:1,
    velocityY:1
};

This is my code:

function CircleCoordinates(CircleOptions.posBall.x, CircleOptions.posBall.y, CircleOptions.radius) {
    var left = CircleOptions.posBall.x - CircleOptions.radius,
    top = CircleOptions.posBall.y + CircleOptions.radius,
    right = CircleOptions.posBall.x + CircleOptions.radius,
    bottom = CircleOptions.posBall.y - CircleOptions.radius;
};

I get the same error as well when I enter my functions as well:

function CircleCoordinates(CircleOptions.posBall.x, CircleOptions.posBall.y, CircleOptions.radius) {
    var left = CircleOptions.posBall.x - CircleOptions.radius;
    var top = CircleOptions.posBall.y + CircleOptions.radius;
    var right = CircleOptions.posBall.x + CircleOptions.radius;
    var bottom = CircleOptions.posBall.y - CircleOptions.radius;
};

Can anyone be so kind as to tell me what is wrong? :)

function CircleCoordinates(CircleOptions) {
    var left = CircleOptions.posBall.x - CircleOptions.radius,
    top = CircleOptions.posBall.y + CircleOptions.radius,
    right = CircleOptions.posBall.x + CircleOptions.radius,
    bottom = CircleOptions.posBall.y - CircleOptions.radius;
}

SyntaxError: missing ) after formal parameters, function CircleCoordinates(CircleOptions) { var left = CircleOptions.posBall.x - CircleOptions.radius, top = CircleOptions.posBall.y +� The JavaScript exception "missing formal parameter" occurs when your function declaration is missing valid parameters.

function CircleCoordinates(x, y, radius) {
    var left = x - radius,
    top = y + radius,
    right = x + radius,
    bottom = y - radius;
};

I think that's what you want.

SyntaxError: missing ) after formal parameters, SyntaxError: missing ) after formal parameters. Why does it keep saying this, when I have corrected eery step, I even started all over, but still the same problem ! Error Type: SyntaxError. Cause of Error: The function declaration is missing the formal parameters. Example 1: In this example, the parameter ‘num’ is not defined in the list of formal parameters, So the error has occurred.

Another reason that this error can occur is if you had a temporary mental lapse, and tried to declare types for your function parameters as though you were working in a C-style typed language such as Java or C#!

For example, this (incorrect syntax) JavaScript function declaration will produce SyntaxError: missing ) after formal parameters:

function CircleCoordinates(int x, int y, double radius) {
    // ...
};

You need to omit the type declarations:

function CircleCoordinates(x, y, radius) {
    // ...
};

missing ) after formal parameters (Javascript), Hello, I'm having an error in Javascript, error is "missing ) after formal My IDE isn't giving a syntax error or anything else, I use IntelliJ Idea. SyntaxError: missing ) after formal parameters - Unity Answers. Unity is the ultimate game development platform. Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the Web, and connect with loyal and enthusiastic players and customers. Unity.

Errors: Missing Formal Parameter - JavaScript, Errors: Missing formal parameter. Message. SyntaxError: missing formal parameter (Firefox). Error type. SyntaxError. What went wrong? "Formal parameter" is a� syntax error: missing) after formal parameters. in Using jQuery • 7 years ago The syntax error is on the.each () line. This script worked with the AJAX response for only one returned row.

"Formal parameter" is a fancy way of saying "function parameter". Your function declaration is missing valid parameters. In the declaration of a function, the parameters must be identifiers , not any value like numbers, strings, or objects.

It is not very clear what this function is supposed to do, but if it is a loop, the most important statement is missing: for(var i = this.numPages-1 ; i >= 0 ; i--) two things: for is missing, and vari is no statement; a space between var and i is necessary. Hope this can help. Max Wyss.

Comments
  • A parameter cannot be called CircleOptions.posBall.x, that's not a valid variable name.
  • This is invalid JavaScript syntax. Those are not valid argument names.
  • Where is CircleOptions defined/assigned values?
  • These are the parameters I set before hand: var CircleOptions = { posBall: { x: 160, y: 180 }, radius: 40, startAngle: 0, endAngle: Math.PI * 2, anticlockwise: false, radians: 0, xMove: Math.random(), yMove: Math.random(), speed:2, angle:80, velocityX:1, velocityY:1 };
  • This is great! Thank you very much!
  • I think Marko's is the better answer, as OP defines and is trying to use CircleOptions.
  • oh oops, totally skipped over the CircleOptions object