Method hasAttribute

source/python.js:10579–10581

(name)

                return null;
            }
            hasAttribute(name) {
                return this._attributes.find((attr) => attr.name === name);
            }
            getAttribute(arg) {
                const slot = Number.isInteger(arg) ? arg : this.findAttributeSlot(arg);
                return this._attributes[slot].type;