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optional function call js

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IK answered on April 17, 2021 Popularity 9/10 Helpfulness 1/10

answer optional function call js

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optional function call js

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obj.val?.prop
obj.val?.[expr]
obj.arr?.[index]
obj.func?.(args)

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: function-call javascript

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Contributed on Dec 25 2021

0 Answers Avg Quality 2/10

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optional function parameter javascript

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function check(a, b = 0) {
  document.write("Value of a is: " + a + 
                 " Value of b is: " + b + 
                 "<br>");
}
check(9, 10);
check(1);

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: function-parameter function-paramete

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Contributed on Apr 17 2021

Maximilian Walker

0 Answers Avg Quality 2/10

javascript How can i do optional function

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const db = { input() { return { query() { return 'db.input(...).query(...)'; } } }, query() { return 'db.query(...)'; } };

console.log((true ? db.input() : db).query());
console.log((false ? db.input() : db).query());

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: function functio

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Contributed on May 10 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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optional function call js

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optional function parameter javascript

javascript How can i do optional function

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