how to create a constant in javascript

static methodName() { ... }
static propertyName [= value];
const example1 = "hello this is string variable" ; //this is string constant
const example2 = 12345 ; //this is numeric constant
const example3 = true ; //boolean constantconst example1 = "hello this is string variable" ; //this is string constant
const example2 = 12345 ; //this is numeric constant
const example3 = true ; //boolean constant