what is the meaning of [...args]in js

Emmanuel Akin-Ademola answered on June 17, 2022 Popularity 10/10 Helpfulness 3/10

answer what is the meaning of [...args]in js

related ...args javascript

what is the meaning of [...args]in js

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/*With respect to*/ (...args) =>//, ...args is a rest parameter. 
//It always has to be the last entry in the parameter list and 
//it will be assigned an array that contains all arguments that 
//haven't been assigned to previous parameters.

//It's basically the replacement for the arguments object. Instead of writing:

function max() {
  var values = Array.prototype.slice.call(arguments, 0);
  // ...
}
max(1,2,3);

//you can write

function max(...value) {
  // ...
}
max(1,2,3);

/*Also, since arrow functions don't have an arguments object, 
this is the only way to create variadic (arrow) functions.*/

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Contributed on Aug 13 2022

Emmanuel Akin-Ademola

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...args javascript

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function calculation(a,b,operation){

return a operation b;
  
}

var result = calculation('2','4','+');
console.log(result);

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Source: phperrorcode.com

Tags: javascript

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Contributed on Jun 17 2022

warner smith

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what is the meaning of [...args]in js

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...args javascript

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