Advanced logging

Advanced logging

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Logging Timing Data to the Console

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Proper use of console.assert in JavaScript

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Advanced Console Log Arguments

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Log Levels and Semantic Methods

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Grouping and Nesting Console Log Output

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Using console.count to Count Events

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Logging Pretty-Printing Tabular Data to the Console

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js tutorial about Logging Timing Data to the Console

Logging Timing Data to the Console

1:35 js PRO

Learn to use console.time with console.timeEnd to get accurate timings of operations in javascript. This tool can help with javascript profiling and performance optimization, and knowing how to use the console to do it means you don't have to pollute your codebase with timers and placeholders.

js tutorial about Proper use of console.assert in JavaScript

Proper use of console.assert in JavaScript

3:06 js PRO

Learn about console.assert, which is syntactic sugar for logging an error the console when a given condition is not met. It's useful, but may not do what you expect if you're coming from another language - watch this lesson to learn how to use it, and when not to.

js tutorial about Advanced Console Log Arguments

Advanced Console Log Arguments

3:52 js PRO

Get more mileage from your console output by going beyond mere string logging - log entire introspectable objects, log multiple items in one call, and apply C-Style string substitution to make the console work for you.

js tutorial about Log Levels and Semantic Methods

Log Levels and Semantic Methods

4:38 js PRO

Go beyond console.log by learning about log levels, filtering log output and structuring your output to be meaningful and concise. The JavaScript console object offers many methods to make your life easier - start learning them here!

js tutorial about Grouping and Nesting Console Log Output

Grouping and Nesting Console Log Output

3:11 js PRO

Organize your log output by grouping your logs into collapsable hierarchies using console.group().

js tutorial about Using console.count to Count Events

Using console.count to Count Events

2:16 js PRO

Learn how to user console.count in order to log out how many times a given thing has happened.

js tutorial about Logging Pretty-Printing Tabular Data to the Console

Logging Pretty-Printing Tabular Data to the Console

3:09 js PRO

Learn how to use console.table to render arrays and objects in a tabular format for easy scanning over the values. We'll create some mock data and then render it to the log in various ways to explore console.table's API.

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