mirror of https://github.com/toddmotto/echo.git
Todd Motto
11 years ago
3 changed files with 6 additions and 25 deletions
@ -1,8 +1,2 @@
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/*! |
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* Echo v1.4.0 |
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* Lazy-loading with data-* attributes, offsets and throttle options |
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* Project: https://github.com/toddmotto/echo
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* by Todd Motto: http://toddmotto.com
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* Copyright. MIT licensed. |
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*/ |
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/*! Echo v1.4.0 | (c) 2013 @toddmotto | MIT license | github.com/toddmotto/echo */ |
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window.Echo=function(a,b){"use strict";var c,d,e,f=[],g=function(d){var e=d.getBoundingClientRect();return(e.top>=0&&e.left>=0&&e.top)<=(a.innerHeight||b.documentElement.clientHeight)+parseInt(c)},h=function(){for(var a=f.length;a--;){var b=f[a];g(b)&&(b.src=b.getAttribute("data-echo"),f.splice(a,1))}},i=function(){clearTimeout(e),e=setTimeout(h,d)},j=function(e){var g=b.querySelectorAll("[data-echo]"),h=e||{};c=h.offset||0,d=h.throttle||250;for(var j=0;j<g.length;j++)f.push(g[j]);i(),b.addEventListener?a.addEventListener("scroll",i,!1):a.attachEvent("onscroll",i)};return{init:j,render:i}}(window,document); |
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