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Aug 20th, 2019
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  1. if ("undefined" !== typeof IntersectionObserver) {
  2. var observador = new IntersectionObserver(function (entradas) {
  3. for (var i = 0; i < entradas.length; entradas++) {
  4. var entrada = entradas[i];
  5. if (entrada.intersectionRatio > 0) {
  6. var imagen = entrada.target;
  7. imagen.src = imagen.dataset.src;
  8. observador.unobserve(imagen);
  9. }
  10. }
  11. });
  12. } else {
  13. for (var j = 0; j < $imagenes.length; j++) {
  14. $imagenes[j].src = $imagenes[j].dataset.src;
  15. }
  16. }
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