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The Power Of Arguments in Javascript

OHIOLee answered on October 4, 2022 Popularity 1/10 Helpfulness 1/10

answer The Power Of Arguments in Javascript

The Power Of Arguments in Javascript

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/* We can use arguments more efficiently when we want to make functions more re-useable,
or when we want to make calling functions inside another functions more powerful.

Here is an example:
*/

function add(x, y){
	return x + y
}

function multiply(a, b, c){ // a = 1, b = 2, c = 3
	const num1 = add(a, b) // num1 = add(1, 2) = 3
	const num2 = add(b, c) // num2 = add(2, 3) = 5
    
	return num1 * num2 // 15
}

multiply(1, 2, 3)
// returns 15

/* The first function add() has two parameters, x and y.
The function returns the addition of the two parameters.

The second function multiply() has three parameters: 
	inside the function, two variables are declared in it, num1 and num2.
num1 will store the value of the result of add(a, b),
and num2 will store the value of the result of add(b, c).
At the end the multiply function will return the value of num1 multiplied by num2.

multiply is called with three arguments which are 1, 2 and 3.
add(a, b) will be add(1, 2) which will return 3.
add(b, c) will be add(2, 3) which will return 5.

num1 will have the value of 3 while num2 will be 5. num1 * num2 will return 15.

Arguments are passed in the multiply function which are also used as arguments
for the add function. */

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: arguments javascript

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Contributed on Oct 04 2022

OHIOLee

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The Power Of Arguments in Javascript

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