What are the function parameter rules

Posted by Jennifer | Updated on September 7, 2020

JavaScript functions follow below rules for parameters,

The function definitions do not specify data types for parameters.
Do not perform type checking on the passed arguments.
Do not check the number of arguments received. i.e, The below function follows the above rules,

function functionName(parameter1, parameter2, parameter3) {

console.log(parameter1); // 1

}

functionName(1);

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What are the function parameter rules

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