Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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What does the following Javascript function do?
function mysteryFunction(arg) {
for (let key in arg) {
if (typeof(arg[key])
"number") {
===
arg[key]
*
2
arg[key];
}
}
return arg;
}
а.
Takes an object as an argument and adds a new key that is twice the value of the maximum of the old keys.
O b. Takes an object as an argument, loops through the entries of the object, and if the value of the entry is numeric, doubles it and
returns the modified object.
О с.
Creates an array of type "number" and sets each array element to be twice the value of the previous element.
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Transcribed Image Text:What does the following Javascript function do? function mysteryFunction(arg) { for (let key in arg) { if (typeof(arg[key]) "number") { === arg[key] * 2 arg[key]; } } return arg; } а. Takes an object as an argument and adds a new key that is twice the value of the maximum of the old keys. O b. Takes an object as an argument, loops through the entries of the object, and if the value of the entry is numeric, doubles it and returns the modified object. О с. Creates an array of type "number" and sets each array element to be twice the value of the previous element.
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