array.splice is not a function - angular

Question

I am trying to delete an element /the last element from an array in angular. This is what a looks like

0: {geometry: {…}, symbol: {…}, attributes: {…}, infoTemplate: null, _suspended: false, …}
1: {geometry: {…}, symbol: {…}, attributes: null, infoTemplate: null}
2: {geometry: {…}, symbol: {…}, attributes: null, infoTemplate: null}

this is my function

_pushAddOperation: function (a) {
            console.log("a",a);
            m.forEach(
                a,
                d.hitch(this, function (a) {
                    var b = a.attributes || {};
                    b[this._objectIdName] = this._objectIdCounter++;
                    a.setAttributes(b);
                    this._graphicsLayer.add(a);
                    if (b  === x) {
                        //deletion
                        a.splice(-1,1);
                    }
                })
            );
        }

I am getting an error saying a.splice is not a function and I don't understand why

_pushAddOperation: function (a) {
            console.log("a",a);
            m.forEach(
                a,
                d.hitch(this, function (k) {
                    var b = a.attributes || {};
                    b[this._objectIdName] = this._objectIdCounter++;
                    k.setAttributes(b);
                    this._graphicsLayer.add(k);
                    if (b  === x) {
                        //deletion
                        k.splice(-1,1);
                    }
                })
            );
        }

Luis Rivas · Accepted Answer · 2021-01-28 14:25:45Z

1

You are declaring a function _pushAddOperation that receive a parameter called a (array), but whiting this function you are declaring a new function that receive a parameter called a(object) again. So you are actually trying to use splice for this object

answered Jan 28, 2021 at 14:25

Luis Rivas

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1 Comment

Cucko Over a year ago

So, if I understand you correctly you are saying I should use another name for the second a variable? I've edited my question above.

Seth Brotherton · Accepted Answer · 2021-01-28 14:23:57Z

0

You have two a variables, one in the outer function and one in the inner function. The a you are trying to splice appears to be an object. Not sure, since I don't know what the hitch method takes.

answered Jan 28, 2021 at 14:23

Seth Brotherton

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