Widget:Waterfall

Waterfall mini

基于 Waterfall.js https://raphamorim.io/waterfall.js/ 代码极小，不依赖JQ。

用法：

{{#Widget:Waterfall}}
<div class="waterfall-container">
    <div>内容块</div>
    <div>内容块</div>
    <div>......</div>
    <div>内容块</div>
</div>

当然也可以将其保存为JS文件，在指定页面动态加载。

功能更完善的另一个选择是 Masonry https://masonry.desandro.com/

源码

<script>
/* https://raphamorim.io/waterfall.js/ */
function waterfall(a){function b(a,b){var c=window.getComputedStyle(b);return parseFloat(c["margin"+a])||0}function c(a){return a+"px"}function d(a){return parseFloat(a.style.top)}function e(a){return parseFloat(a.style.left)}function f(a){return a.clientWidth}function g(a){return a.clientHeight}function h(a){return d(a)+g(a)+b("Bottom",a)}function i(a){return e(a)+f(a)+b("Right",a)}function j(a){a=a.sort(function(a,b){return h(a)===h(b)?e(b)-e(a):h(b)-h(a)})}function k(b){f(a)!=t&&(b.target.removeEventListener(b.type,arguments.callee),waterfall(a))}"string"==typeof a&&(a=document.querySelector(a));var l=[].map.call(a.children,function(a){return a.style.position="absolute",a});a.style.position="relative";var m=[];l.length&&(l[0].style.top="0px",l[0].style.left=c(b("Left",l[0])),m.push(l[0]));for(var n=1;n<l.length;n++){var o=l[n-1],p=l[n],q=i(o)+f(p)<=f(a);if(!q)break;p.style.top=o.style.top,p.style.left=c(i(o)+b("Left",p)),m.push(p)}for(;n<l.length;n++){j(m);var p=l[n],r=m.pop();p.style.top=c(h(r)+b("Top",p)),p.style.left=c(e(r)),m.push(p)}j(m);var s=m[0];a.style.height=c(h(s)+b("Bottom",s));var t=f(a);window.addEventListener?window.addEventListener("resize",k):document.body.onresize=k}

/* 处理所有的 .waterfall-container 元素 */
(function() {
    var name = '.waterfall-container';
    function main() {
        document.querySelectorAll(name).forEach((el) =>{waterfall(el);})
    }
    if (document.readyState === "loading") {
        document.addEventListener('DOMContentLoaded', main);
    } else {
        main();
    }
})();
</script>