The MUL function is a miniature of the multiplication function. In this function, we call the function that required an argument as a first number, and that function calls another function that required another argument and this step goes on.
The first function’s argument is x, the second function`s argument is y and the third is z, so the return value will be xyz.
Syntax:
function mul(x) {
return function (y) {
return function (z) {
return x * y * z;
};
};
}
Example: Below example illustrates the MUL() function in JavaScript.
Javascript
<script> function mul(x) { return function(y) { return function(z) { return x*y*z; }; } } console.log(mul(2)(3)(5)); console.log(mul(2)(3)(4)); </script> |
Output:
30 24
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