禁止微信公众号用户改变字体大小

-webkit-text-size-adjust: 100% !important;

//禁止微信自定义字体大小
(function () {

    if (typeof WeixinJSBridge == "object" && typeof WeixinJSBridge.invoke == "function") {

        handleFontSize();

    } else {
        if (document.addEventListener) {

            document.addEventListener("WeixinJSBridgeReady", handleFontSize, false);

        } else if (document.attachEvent) {

            document.attachEvent("WeixinJSBridgeReady", handleFontSize);

            document.attachEvent("onWeixinJSBridgeReady", handleFontSize);

        }

    }

    function handleFontSize() {

        // 设置网页字体为默认大小
        WeixinJSBridge.invoke('setFontSizeCallback', {

            'fontSize': 0

        });


        // 重写设置网页字体大小的事件
        WeixinJSBridge.on('menu:setfont', function () {

            WeixinJSBridge.invoke('setFontSizeCallback', {

                'fontSize': 0

            });

        });

    }
})();

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转载自blog.csdn.net/a707369808/article/details/80911019
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