Firefox doesn’t provide this property and yet has a “name” property that Chrome does not have. One such difference I can point out between Firefox and Chrome is that Chrome provides a “memory” property that outputs some basic memory usage stats. If there are differences in the properties of the console object from one browser to another, this way you can see the differences. Most of them are functions and will be rather consistent regardless of browser. This command will output the various properties of the console object as the browser knows them. The first thing we can do is log the console object itself to see what your browser of choice actually offers. The new Chromium-based Edge is essentially the same as Chrome in many ways so, in most cases, the console commands will operate much the same. This guide covers what’s available in the console object of Firefox and Chrome as they are often the most popular browsers for development and they do have a few differences in various aspects of the console. Some of these differences are simply visual in nature while others do have slight functional differences to keep in mind.įor the curious, here’s the spec by WHATWG linked from the MDN console docs. Even though these features are mostly consistent between browsers, there are a few differences. These commands are contained in a console object available in almost every browser. There is also a way for a website’s JavaScript to trigger various commands that output to the console for debugging purposes. Starting out as a means for errors to be reported to the developer, its capabilities have increased in many ways such as automatically logging information like network requests, network responses, security errors or warnings. The maximum number of concurrent worker processes that run in parallel.The developer’s debugging console has been available in one form or another in web browsers for many years. Use this when snapshot expectations have changed. Whether to update snapshots with actual results instead of comparing them. running tests on Linux against Windows screenshots. Use this when snapshot expectations are known to be different, e.g. Learn more about various timeouts.įorce tracing mode, can be on, off, on-first-retry, on-all-retries, retain-on-failure Maximum timeout in milliseconds for each test, defaults to 30 seconds. Shard tests and execute only selected shard, specified in the form current/all, 1-based, for example 3/5. The maximum number of retries for flaky tests, defaults to zero (no retries). Whether to suppress stdout and stderr from the tests.Ĭhoose a reporter: minimalist dot, concise line or detailed list. Defaults to running all projects defined in the configuration file. Only run tests from one of the specified projects. Passing -x stops after the first failure.ĭirectory for artifacts produced by tests, defaults to test-results.Īllows the test suite to pass when no files are found. Total timeout for the whole test run in milliseconds. Only run tests not matching this regular expression. For example, this will run 'should add to cart' when passed -g "add to cart". Only run tests matching this regular expression. If not passed, defaults to or in the current directory. Shortcut for PWDEBUG=1 environment variable and -timeout=0 -max-failures=1 -headed -workers=1 options.Ĭonfiguration file. Available options are "chromium", "firefox", "webkit" or "all" to run tests in all three browsers at the same time. Following options can be passed to a command line and take priority over the configuration file: Option Complete set of Playwright Test options is available in the configuration file.
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