Javascript dynamically invoke object method from string

if the name of the property is stored in a variable, use []

foo[method]();

javascript oop dynamic methods invoke

Properties of objects can be accessed through the array notation:

var method = "smile";foo[method](); // will execute the method "smile"

javascript oop dynamic methods invoke

When we call a function inside an object, we need provide the name of the function as a String.

var obj = {talk: function(){ console.log('Hi') }};obj['talk'](); //prints "Hi"obj[talk]()// Does not work

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