How to log JavaScript stack traces and objects using console.trace
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This post is part of my Today I learned series in which I share all my web development learnings.
Today I saw an update to the MDN compat data, and it covered a method available on console
. console
includes many more useful functions than the commonly used console
method.
One of them is console
that you can use to log JavaScript stack traces.
function someFunction() {
function anotherFunction() {
console.trace();
}
anotherFunction();
}
somefunction();
// logs:
// anotherFunction @ VM3917:3
// someFunction @ VM3917:6
// (anonymous) @ VM4184:1
One thing I learned is that console
also accepts multiple arguments so that you can log objects and stack traces in the same call. ๐
function someFunction() {
function anotherFunction() {
console.trace({foo: "bar"});
}
anotherFunction();
}
somefunction();
// logs:
// { foo: "bar" }
// anotherFunction @ VM3917:3
// someFunction @ VM3917:6
// (anonymous) @ VM4184:1
If you want to see it in action, here's a quick video. ๐
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Yes? Cool! You might want to check out Web Weekly for more quick learnings. The last edition went out 15 days ago.
Yes? Cool! You might want to check out Web Weekly for more quick learnings. The last edition went out 15 days ago.