Access last logged value in Chrome console

Access last logged value in Chrome console

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When I evaluate an expression directly in the Chrome Console like

1 + 1

then I can reference to the evaluated value using

$_

However, I can't access the value with $_, when the value is a result of a console.log, coming from inside of my application, instead of an expression I typed directly into the console.

Is there a way to access the last evaluated expression, regardless where it came from?

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After it's been logged to the console, you can right click on it and get an option to Store as global function. Clicking this will define a new variable like 'temp1' which will point to the variable. Here's a video of it in action (not mine).

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Just follow these steps:

1. Click over the result with right button
2. Save as global variable
3. copy(temp1)

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You can only copy & paste.

See all available commands and shortcuts:

https://developers.google.com/chrome-developer-tools/docs/commandline-api https://developers.google.com/chrome-developer-tools/docs/shortcuts

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A work-around for this is to define a variable in the global namespace. Presumably, your console.log(local_variable) is inside a function.

<script>
  var global_variable = null;

  function some_function() {
    var local_variable = 0;
    global_variable = local_variable;
    console.log(local_variable);
  }
</script>

Here, when some_function() is called, your local_variable will be logged, but you can then type global_variable in your console to get its value quickly and work with it.

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You could access any evaluated expression at any point in execution with Chrome's DevTools by setting breakpoints.

Your logged expression should have a clickable line number in the console - follow the link, then set a breakpoint on the line of code (which should be your console.log).

Full guide on breakpoints:
https://developers.google.com/web/tools/chrome-devtools/javascript/breakpoints

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I think $0 is what you're looking for.

참고URL : https://stackoverflow.com/questions/15895579/access-last-logged-value-in-chrome-console