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- if ("undefined" !== typeof IntersectionObserver) {
- var observador = new IntersectionObserver(function (entradas) {
- for (var i = 0; i < entradas.length; entradas++) {
- var entrada = entradas[i];
- if (entrada.intersectionRatio > 0) {
- var imagen = entrada.target;
- imagen.src = imagen.dataset.src;
- observador.unobserve(imagen);
- }
- }
- });
- } else {
- for (var j = 0; j < $imagenes.length; j++) {
- $imagenes[j].src = $imagenes[j].dataset.src;
- }
- }
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