console.log() method outputs a message to the web console.
The message may be a single string (with optional substitution values), or it may be any one
Note: This feature is available in Web Workers
log(obj1) log(obj1, /* ..., */ objN) log(msg) log(msg, subst1, /* ..., */ substN])
console.log(), but it is the value of the object at the moment you open the console.
msg. This gives you additional control over the format of the output.
You might ask yourself what's the difference between
Another useful difference in Chrome exists when sending DOM elements to the console.
console.logprints the element in an HTML-like tree
console.dirprints the element in a JSON-like tree
console.log gives special treatment to DOM elements, whereas
console.dir does not. This is often useful when trying to see the full
representation of the DOM JS object.
There's more information in the Chrome Console API reference about this and other functions.
This way you are sure you are seeing the value of
obj at the moment you
log it. Otherwise, many browsers provide a live view that constantly updates as values
change. This may not be what you want.
|Console Standard |
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