a class member cannot have const code example

Example 1: A class member cannot have the 'const' keyword angular

//Change this...
const myVar = 123;

//To this...
readonly myVar = 123;

Example 2: A class member cannot have the 'const' keyword.

class MyClass {
    readonly myReadOnlyProperty = 1;

    myMethod() {
        console.log(this.myReadOnlyProperty);
        this.myReadOnlyProperty = 5; // error, readonly
    }
}

new MyClass().myReadOnlyProperty = 5; // error, readonly