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| (function () { | |
| var cells = document.querySelectorAll('.cell'); | |
| var currentLevel = 0; | |
| var arrayCells = new Array(new Array(), new Array(), new Array(), new Array()); | |
| [].forEach.call(cells, function (item, i) { | |
| if (i % 4 === 0 && i !== 0) { | |
| currentLevel += 1; | |
| } | |
| arrayCells[currentLevel].push(item); | |
| }); | |
| update(); | |
| function update() { | |
| var x = 0; | |
| var y = 0; | |
| var arr = [ | |
| ['r', 'd', 'r', 'd'], | |
| ['l', 'r', 'u', 'd'], | |
| ['r', 'd', 'l', 'l'], | |
| ['d', 'r', 'r', 'r']]; | |
| setInterval(function () { | |
| if (!arr[x][y]) { | |
| console.log('an error has occurred'); | |
| return; | |
| } | |
| arrayCells[x][y].classList.add('highlighted'); | |
| console.log('Currently targeting: ', arr[x][y]); | |
| switch (arr[x][y]) { | |
| case 'r': | |
| y = y + 1; | |
| break; | |
| case 'd': | |
| x = x + 1; | |
| break; | |
| case 'l': | |
| y = y - 1; | |
| break; | |
| case 'u': | |
| x = x - 1; | |
| break; | |
| } | |
| }, 500) | |
| } | |
| } ()); | |
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| <html> | |
| <head> | |
| <title></title> | |
| <style> | |
| .cell { | |
| border: 1px solid red; | |
| display: inline-block; | |
| text-align: center; | |
| padding: 35px; | |
| box-sizing: border-box | |
| } | |
| .highlighted { | |
| background-color: red; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">DOWN</div> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">DOWN</div> | |
| <div class="cell">LEFT</div> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">UP</div> | |
| <div class="cell">DOWN</div> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">DOWN</div> | |
| <div class="cell">LEFT</div> | |
| <div class="cell">LEFT</div> | |
| <div class="cell">DOWN</div> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">RIGHT</div> | |
| <div class="cell">RIGHT</div> | |
| </div> | |
| <script src='dumbCellWalker.js'></script> | |
| </body> | |
| </html> |
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