How to create a bookmarklet? Where to begin? Give direction.

Closed due to the fact that the issue is too general for the participants of D-side , Viktorov , Kromster , AK ♦ , Air 17 Dec '17 at 7:26 .

Please correct the question so that it describes the specific problem with sufficient detail to determine the appropriate answer. Do not ask a few questions at once. See “How to ask a good question?” For clarification. If the question can be reformulated according to the rules set out in the certificate , edit it .

  • learn how to write in javascript, and then drive your written code into an online processor, for example mrcoles.com/bookmarklet ... that's it! - Alexey Shimansky

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