what is monad in javascript 1

what is monad in javascript

function Identity(value) {
    this.value = value;

Identity.prototype.bind = function(transform) {
    return transform(this.value);

Identity.prototype.toString = function() {
    return 'Identity(' + this.value + ')';

Here is what the above code is Doing:
1. We create a new type called Identity.
2. We create a new instance of Identity and pass in a value.
3. We create a bind method that takes a transform function and returns the result of calling the transform function with the value.
4. We create a toString method that returns a string representation of the Identity.

Now let’s see how we can use the Identity type to create a new Identity instance and bind a transform function to it.

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