Can I include a script from script?

[yycking]

I try to include a script from script

class Script: public QObject
{
    Q_OBJECT
 
public:
    Script();
public slots:
    QWidget* loadGUI(QString file);
    void load(QString file);  //using engine->evaluate(file.tostring) to load js file
};

class Script: public QObject
{
    Q_OBJECT

public:
    Script();
public slots:
    QWidget* loadGUI(QString file);
    void load(QString file);  //using engine->evaluate(file.tostring) to load js file
};

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main.js

SCRIPT.load('calculator.js'); //class Calculator is define in calculator.js
gg= SCRIPT.loadGUI('calculator.ui');
new Calculator(gg);
gg.show();

SCRIPT.load('calculator.js'); //class Calculator is define in calculator.js
gg= SCRIPT.loadGUI('calculator.ui');
new Calculator(gg);
gg.show();

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But I got the error : Calculator is not defined

If I move some codes from main.js to calculator.ui

main.js

gg= SCRIPT.loadGUI('calculator.ui');
SCRIPT.load('calculator.js');

gg= SCRIPT.loadGUI('calculator.ui');
SCRIPT.load('calculator.js');

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calculator.js

........
//add this code
new Calculator(gg);
gg.show();

........
//add this code
new Calculator(gg);
gg.show();

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It work very well