前端黑科技 #8

xineur · 2019-07-10T02:57:01Z

js控制伪元素样式原文链接

<!DOCTYPE html>
<title>CSS</title>

<style>
    body {
        font: 200%/1.45 charter;
    }
    ref::before {
        content: '\00A7';
        letter-spacing: .1em;
    }
</style>

<article>The seller can, under Business Law <ref>1782</ref>, offer a full refund to buyers. </article>

<script>
    function ruleSelector(selector) {
        function uni(selector) {
            return selector.replace(/::/g, ':')
        }
        return Array.prototype.filter.call(Array.prototype.concat.apply([], Array.prototype.map.call(document.styleSheets, function(x) {
            return Array.prototype.slice.call(x.cssRules);
        })), function(x) {
            return uni(x.selectorText) === uni(selector);
        });
    }

    var toggle = false, 
        pseudo = ruleSelector("ref::before").slice(-1);

    document.querySelector("article").onclick = function() {
        pseudo.forEach(function(rule) {
            if (toggle = !toggle)
                rule.style.color = "red";
            else
                rule.style.color = "black";
        });
    }
</script>

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xineur added the accumulated 日常积累 label Aug 12, 2019

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前端黑科技 #8

前端黑科技 #8

xineur commented Jul 10, 2019 •

edited

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前端黑科技 #8

前端黑科技 #8

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xineur commented Jul 10, 2019 • edited Loading

xineur commented Jul 10, 2019 •

edited

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