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时长:00:00更新时间:2020-11-27 20:39:54
JavaScript监测ActiveX控件是否已经安装过的代码_javascript技巧:function detectPlugin(CLSID,functionName) { var pluginDiv = document.createElement() document.body.insertBefore(pluginDiv); pluginDiv.innerHTML = ''; try { if(eval(objectForDetectPlugin. + functionName) == undefined) { pluginDiv.removeN
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