Created
June 6, 2014 13:26
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Centralizar uma div na tela
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Centralizando divs</title> | |
| </head> | |
| <body> | |
| <div id="youtube" style="width: 560px; height: 315px;"> | |
| <iframe width="560" height="315" src="//www.youtube.com/embed/DDpSUqjtrRk?rel=0" frameborder="0" allowfullscreen></iframe> | |
| </div> | |
| <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
| tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
| quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
| consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
| cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
| proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
| <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
| tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
| quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
| consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
| cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
| proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
| <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
| tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
| quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
| consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
| cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
| proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
| </body> | |
| <script type="text/javascript"> | |
| var centerDiv = function(div){ | |
| // Seleciono a div que quero centralizar | |
| $ = document.querySelector(div); | |
| // Calculo as dimenções da div | |
| var larguraDiv = $.scrollWidth; | |
| var alturaDiv = $.scrollHeight; | |
| // Calculo as dimensções da tela | |
| var larguraTela = window.innerWidth; | |
| var alturaTela = window.innerHeight; | |
| // Acerto o CSS do elemento | |
| $.style.position = 'fixed'; | |
| $.style.top = ((alturaTela / 2) - (alturaDiv / 2)) + 'px'; | |
| $.style.left = (larguraTela / 2) - (larguraDiv / 2) + 'px'; | |
| }; | |
| // Chamar a função | |
| centerDiv('#youtube'); | |
| // Recentralizar quando a janela mudar de tamanho | |
| window.onresize = centerDiv.bind(this, '#youtube'); | |
| </script> | |
| </html> |
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