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Vim-like Navigation

Use (h,j,k,l) to scroll around. gg to go to top G to to bottom

  1. // ==UserScript==
  2. // @name         Vim-like Navigation
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.1
  5. // @description  Use (h,j,k,l) to scroll around.  gg to go to top G to to bottom
  6. // @author       Max Schulte
  7. // @match        http*://*
  8. // @match		 *://*/*
  9. // @match		 *
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     'use strict';
  15. 	// Your code here...
  16. 	var keyLog = []
  17.  
  18. 	document.onkeypress = function (e) {
  19. 		// if user is typing inside of a text box return
  20. 		if ( e.target.nodeName == 'INPUT' ) return;
  21. 		// event
  22. 		e = e || window.event;
  23. 		// horizontal and vertical
  24. 		var h = 0;
  25. 		var v = 0;
  26. 		// scroll amount
  27. 		keyLog.push(e.keyCode)
  28. 		//console.log(keyLog)
  29. 		var sa = 100;
  30. 		switch (e.keyCode){
  31. 			case 104:	// h
  32. 				h -= sa;
  33. 				keyLog = [];
  34. 				break;
  35. 			case 106:	// j
  36. 				v += sa;
  37. 				keyLog = [];
  38. 				break;
  39. 			case 107:	// k
  40. 				v -= sa;
  41. 				keyLog = [];
  42. 				break;
  43. 			case 108:	// l
  44. 				h += sa;
  45. 				keyLog = [];
  46. 				break;
  47. 			case 103: // gg
  48. 				if (keyLog[keyLog.length-2] != 103) {
  49. 					break;
  50. 				}
  51. 				window.scrollTo(0, 0);
  52. 				keyLog = [];
  53. 				return;
  54. 			case 71:	// G
  55. 				console.log(document.documentElement.scrollHeight)
  56. 				window.scrollTo(0, document.documentElement.scrollHeight)
  57. 				keyLog = [];
  58. 				return;
  59. 			default:
  60. 				keyLog = [];
  61. 				break;
  62. 		}
  63. 		window.scrollBy(h, v);
  64. 	};
  65. })();