Using mathml in pages . mac cheat sheet code#
Using mathml in pages . mac cheat sheet plus#

Style formatting: %c - console.log('%c This is white text on a black background', 'color:#fff background:#000 ') ДЄn object that returns: jsHeapSizeLimit, totalJSHeapSize, usedJSHeapSize.

Using mathml in pages . mac cheat sheet code#

Hyperlink: %o - console.log('Live laugh code at $o', '' ).Floating point number: %f - console.log('Floating points: %f', 1.5) *numeric formatting not yet supported.

Using mathml in pages . mac cheat sheet plus#

Integer: %d, %i - console.log('Number %d plus %i', 1, 2) *integer not yet supported.

String: %s - console.log('The %s is a %s', animal, cat).

You can use printf-like string substitution patterns as well which are: You may pass as many arguments as you'd like, and they will be joined together in a space-delimited line. Gives you the names of all the elements of an object. Writes a message to the console with the visual 'info' icon and color coding and a hyperlink to the line where it was called. Like oup(), but block is initially collapsed.Д¬loses the most recently opened block created by a call to oup() or oupCollapsed(). Call oupEnd() to close the block.Д¬oupCollapsed(object) Writes a message to the console and opens a nested block to indent all future messages sent to the console. Prints an error message together with an interactive stack trace of JavaScript execution at the point where the exception occurred. Writes a message to the console with the visual 'error' icon and color coding and a hyperlink to the line where it was called.Д¬onsole.exception(error-object) You can click on any node to inspect it in the HTML tab. This looks identical to the view that you would see in the HTML tab. Prints the XML source tree of an HTML or XML element. This looks identical to the view that you would see in the DOM tab. Prints an interactive listing of all properties of the object. Writes a message to the console, including a hyperlink to the line where it was called. The optional argument title will print a message in addition to the number of the count. Writes the number of times that the line of code where count was called was executed. If not, it will write a message to the console and throw an exception. Opt + Scroll, Cmd + Cick and drag with two fingersД¬onsole.assert(expression)

Clear console: Clear all console messagesДЄlt + Scroll, Ctrl + Cick and drag with two fingers.

Filter: Hide and unhide messages from script files.

XMLHTTPRequest logging: Turn on to view the XHR log.

Launch line number dialog when viewing a fileД®valuate code selected in scripts in the console Search scripts, stylesheets and snippets by filenameДЇilter/navigate to a JavaScript function/CSS rule when viewing a file

Heap profiler: shows memory distribution by your page's JavaScript objects and related DOM nodesДЇind or navigate to specific files, methods or line numbers in an web app within the Sources panel.

CPU profiler: shows where execution time is spent in your page's JavaScript functions.

Pause on uncaught exceptions (usually the one you want) Pause on All exceptions (including those caught within try/catch blocks)

Toggle console and evaluate code selected in Sources panel Select the Timeline heading to change sort modes for the network.Д®xport network data into HAR format Sources Panel в—Љ

Understanding the information displayed within each column Go to line of property value declaration in sourceД®mulate an element's pseudo state ( :active, :hover, :focus, :visited) Go to line of style rule property declaration in source

Set breakpoints on the elements: (Subtree modifications, Attribute modification, Node removal).

Force element psuedo states: ( :active, :hover, :focus, :visited).

Toggle Console / close settings dialog when open Jump to panel 1-9 ( when enabled in General Settings) To open up the General Settings dialog type ? or F1 when the Developer Tools window is open. Inspect the Inspector ( undock first one and press) Open Developer Tools and bring focus to the console Open / switch from inspect element mode and browser window

Right-click on any page element and select Inspect Element.

Open the Chrome menu at the top-right of your browser window, then select Tools > Developer Tools.

To access the DevTools, on any web page or app in Google Chrome you can use one of these options: