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@xavi-
Forked from jimbojw/gist:583389
Created October 18, 2010 21:21
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Interview gist -- Can candidate read, debug, and fix code?
// For each of the following code fragments:
// a. what does the code do?
// b. what did the author intend for it to do?
// c. how would you fix it?
// NOTE: all code samples work exactly the same in all browsers
// 1. object literals
var data = [ { high: 100, low: 81 }, { high: 93, low: 73 }, { high: 60, low: 32 } ];
function getAverages(data) {
var avgs = [];
for(var i = 0; i < avgs.length; i++) {
avgs.push(data[i].high + data[i].low / 2);
}
return avgs;
}
getAverages(data); // returns [];
// 2. list of links
var p = document.createElement('p');
for (var i=0; i<10; i++) {
var a = document.createElement('a');
a.innerHTML = "link " + i;
a.onclick = function() {
alert("you clicked link " + i);
return false;
};
p.appendChild(a);
}
document.body.appendChild(p);
// 3. method callback
var bob = {
firstname: "Bob",
greet: function() {
alert("Hi, I'm " + this.firstname);
}
}
window.onload = bob.greet;
@aDemoUzer
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i anzwered theze. I can haz job now?
BTW, // 2. method callback should be 3.

@xavi-
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xavi- commented Jan 21, 2011

Haha, you're right. Good catch.

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