Executing Javascript code on the spot in Chrome

Question

I have a page in chrome which contains many textboxes and I wish to feed values automatically to them  I already have the list of name-value pairs  so if I could simple execute a series of Javascript commands on the form  document getElementsByName NAME  0  value   VALUE   I ll be done  I hope      So the question is - can I run a JS code  on the spot   or do I have to use a content script somehow

User · Answer

You can use bookmarklets if you want run bigger scripts in more convenient way and run them automatically by one click

User · Answer

I m not sure how far it will get you  but you can execute JavaScript one line at a time from the Developer Tool Console

User · Answer

Have you tried something like this  Put it in the head for it to work properly    lt script type  text javascript  gt      document addEventListener  DOMContentLoaded   function               using DOMContentLoaded is good as it relies on the DOM being ready for            manipulation  rather than the windows being fully loaded  Just like            how jQuery s   document  ready   does it              loop through your inputs and set their values here        false    lt  script gt

User · Answer

If you mean you want to execute the function inputted  yes  that is simple   Use this JS code   eval document getElementById  -- el ID --   value

User · Answer

Right click on the page and choose  inspect element   In the screen that opens now  the developer tools   clicking the second icon from the left   the bottom of it opens a console  where you can type javascript  The console is linked to the current page

[javascript] Executing Javascript code "on the spot" in Chrome?

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