How to reassign variable in angular9?

Question

I have a func which calling in ngDoCheck(). That func calls several another func who reassign my variable. But variable change does only in funcs, not a global variable. myVariable allways 0.

myVariable = 0;

ngDoCheck(): any {
    const word: string = this.form.get('word').value;
    this.PasswordStrengthMeter(word, this.myVariable);
    console.log('Value: ' + this.myVariable);
  }


Mainfunc(word: string, myVariable: number): any {
    this.SecondaryFunc(word, myVariable);
    this.AnotherSecondaryFunc(word, myVariable);
    
  }

Return new value and in caller assign to this.myVariable = this.SecondaryFunc — Justinas
– Justinas, Commented Oct 5, 2020 at 8:51

svyat1s · Accepted Answer · 2020-10-05 09:08:44Z

1

If it is in the same component, why do you passing that variable to each function? just use it in that function as it's a global variable.

answered Oct 5, 2020 at 9:08

svyat1s

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Comments

Eddie Reeder · Accepted Answer · 2020-10-05 09:55:55Z

1

The value of myVariable is being passed to Mainfunc, not a reference.

If you'd like to change the global variable, use this.myVariable directly from your other SecondaryFunc and AnotherSecondaryFunc.

myVariable = 0;

...

Mainfunc(word: string): any {
    this.SecondaryFunc(word);
    this.AnotherSecondaryFunc(word);
}

SecondaryFunc(word: string): any {
    this.myVariable = 5;
}

AnotherSecondaryFunc(word: string): any {
    this.myVariable = 6;
}

answered Oct 5, 2020 at 9:55

Eddie Reeder

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