html:

<img src="/images/nullspecail.jpg" data-title="測試" data-src="http://kangsf1989.net/120-147-b.jpg"alt="">

js:

<script>
    var imgs = document.querySelectorAll('img');
    function getTop(e) {
        var T = e.offsetTop;
        while (e = e.offsetParent) {
            T += e.offsetTop;
        }
        return T;
    }

    function lazyLoad(imgs) {
        var H = window.innerHeight;
        var S = document.documentElement.scrollTop || document.body.scrollTop;
        for (var i = 0; i < imgs.length; i++) {
            if (H + S > getTop(imgs[i])) {

                (function (imgs, i) {
                    var imgSrc = imgs[i].getAttribute('data-src');
                    var title = imgs[i].getAttribute('data-title');
                    //匹配無圖|無題
                    var reg = RegExp(/無[圖題]/);
                    var status = reg.test(title);
                    if(status) return ;
                    var img = new Image();
                    img.src = imgSrc;
                    img.onload = function () {
                        if (img.width == 100 && img.height == 130) {

                        } else {
                            imgs[i].src = typeof(img.src) != 'undefined' ? img.src : '/images/nullspecail.jpg';
                        }
                    };
                })(imgs, i)

            }
        }
    }

    window.onload = window.onscroll = function () {
        lazyLoad(imgs);
    }
</script>