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from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtQml import * myEngine=QJSEngine() three = myEngine.evaluate("1 + 2") print(three.toNumber())# works well myEngine.globalObject().setProperty("myNumber", QJSValue(123)) myNumberPlusOne = myEngine.evaluate("myNumber + 1"); print(myNumberPlusOne.toNumber())# return the wrong value !!!!!! fun = myEngine.evaluate("(function(a, b) { return a + b; })"); args =[QJSValue(1), QJSValue(2)]#it would be better if we could simply write this as args =[1,2],we cannot do this right now ,bad !!!! threeAgain = fun.call( args) print(threeAgain.toString())# return the wrong value !!!!!!
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