弹框出现与Tab键索引起始位置变化实例页面
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CSS代码:
.wrap_out {
    outline:none;
}
                
                HTML代码:
<div id="zxxBlank">
    <div class="wrap_out" id="wrapOut" tabindex="-1">
        ...
    </div>
</div>
                
                JS代码:
var eleDialogBtn = document.getElementById('dialogButton');
var eleDialog = document.getElementById('zxxBlank');
var eleWrapOut = document.getElementById('wrapOut');
eleDialogBtn.onclick = function () {
    // 显示
    eleDialog.style.display = 'block';
    // 聚焦
    eleWrapOut.focus();
};
                
            