static methods in javascript code example
Example 1: js class static function
class myClass{
constructor(){
this.myLocaleVariable=1;//this.varname in the constructer function makes a locale var
}
localfunction(){
return "im local unique to this variable";
}
static publicfunction(){
return "i can be called without an obj"
}
}
myClass.myPublicVariable = 0;
myClass.localfunction();//error
myClass.publicfunction();//"i can be called without an obj"
myClass.myLocaleVariable;//error
myClass.myPublicVariable;//0
var obj = new myClass;
obj.localfunction();//"im local unique to this variable"
obj.publicfunction();//error
obj.myLocaleVariable;//1
obj.myPublicVariable;//error
Example 2: js class static
class ClassWithStaticMethod {
static staticMethod() {
return 'static method has been called.';
}
}
console.log(ClassWithStaticMethod.staticMethod());
// expected output: "static method has been called."
Example 3: js static methods
class Foo(){ static methodName(){ console.log("bar") }}