javascript skip default parameter
function myfunc(x,y=2,z=6){
console.log(x*y);
console.log(z);
}
myfunc(5) //Output: 10 6
myfunc(5,4,2) //Output: 20 2
myfunc(5,undefined,17) //Output 10 17
javascript skip default parameter
function myfunc(x,y=2,z=6){
console.log(x*y);
console.log(z);
}
myfunc(5) //Output: 10 6
myfunc(5,4,2) //Output: 20 2
myfunc(5,undefined,17) //Output 10 17
skip arguments in js
function userInfo(firstName, lastName, userName){
// other logic stuff
console.log(firstName, lastName, userName);
}
// skip lastName argument using: ...[,] and it's mean undefine
// 1 argument for ...[,] 2 arguments for ...[,,] and so on.....
userInfo('JavaScript', ...[,], 'js');
//it's mean => firstName: JavaScript, lastName: undefined, userName: js
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