javascript pass by value
function func(obj) {
obj = JSON.parse(JSON.stringify(obj)); //If too slow, replace with other method of deep cloning
obj.a += 10;
return obj.a;
}
var myObj = {a: 5};
func(myObj); //Returns 15 and myObj.a is still 5javascript pass by value
function func(obj) {
obj = JSON.parse(JSON.stringify(obj)); //If too slow, replace with other method of deep cloning
obj.a += 10;
return obj.a;
}
var myObj = {a: 5};
func(myObj); //Returns 15 and myObj.a is still 5are parameters modified in javascript
//Normal variable, No.
function square(x) {
x = x * x;
return x;
}
var y = 10;
var result = square(y);
console.log(y); // 10 -- no change
console.log(result); // 100
//Objects like struct sub variables, Yes.
function turnOn(machine) {
machine.isOn = true;
}
var computer = {
isOn: false
};
turnOn(computer);
console.log(computer.isOn); // true;Copyright © 2021 Codeinu
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