Question

173

alert() return different from console.log()?

rated 0 times [ 174] [ 1] / answers: 1 / hits: 16342 / 14 Years ago, mon, october 11, 2010, 12:00:00

Should I be using alert() for debugging; or is there a time to use alert() vs. console.log()?

I see that alert() and console.log() can return different results. I assumed that they were similar functions but just returned in different places.

Back story: my boss likes to see alerts() during development but I can't get the object details in the alert (at least not easily).

But when I run the same request through console.log, I get the object and all of it's parameters.

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amberlykaliac

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answered 14 Years ago marinalyssak · Accepted Answer

Since alert could be shown to users, it tends to be literal-minded (just using toString) so a developer has a lot of control over what's shown to the user. Unlike alert, console is designed for developers, and thus tends to try to interpret a call so as to provide information that a developer would find useful: e.g. [2, 3, 4] is a lot more useful to a developer than [object Object]. Alert should be the same in every browser; console's behavior could vary from browser to browser (including not being supported at all, as in IE).