You can hover over variables to get their value. There is a quick watch area in which you can add variables. You can't change the source directly, but you can

You can hover over variables to get their value. There is a quick watch area in which you can add variables. You can't change the source directly, but you can change the properties of an object and change global variables with the console. https://developers.google.com/chrome-developer-tools/docs/scripts https://developers.google.com/chrome-developer-tools/docs/sc... http://stackoverflow.com/a/4949829/352087 http://stackoverflow.com/a/4949829/352087