const searchPopup_search_default = document.getElementById('search-default-content');const searchInput_search_default = document.getElementById('search-default-input'); // 监听实例的弹窗显示状态变化 const observer_search_default = new MutationObserver(() => {// 当弹窗从隐藏变为显示时,执行当前实例的输入框聚焦 if (searchPopup_search_default.style.display !== 'none' && !searchPopup_search_default.hidden) {searchInput_search_default.focus(); // 核心聚焦方法 // 可选:聚焦后选中输入框内内容,方便直接替换(按需开启) // searchInput_.select(); observer_search_default.disconnect(); // 聚焦一次后断开,避免重复触发 }}); // 启动当前实例的监听,仅监听自身弹窗的属性变化,各实例完全独立 observer_search_default.observe(searchPopup_search_default, {attributes: true,attributeFilter: ['style', 'hidden', 'class'] // 仅监听关键属性,性能最优 });

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EUTTEST offers a wide range of electromagnetic test instruments and equipment with extensive industry coverage and full functionality;
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EUTTEST provides electromagnetic test instruments that meet the requirements of national and international standards, covering IEC, EN, CISPR, GB, GJB and other types of standards.

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