useWindowsFocus

使用 window.onfocus and window.onblur 事件跟踪页面焦点

Usage

实时编辑器

function Demo() {
  const focus = useWindowsFocus();
  return (
    <div>
      <p>
        {focus
          ? "💡 Click somewhere outside of the document to unfocus."
          : "ℹ Tab is unfocused"}
      </p>
    </div>
  );
};

结果

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API

useWindowsFocus

Returns

boolean: 窗口是否聚焦

Arguments

参数名	描述	类型	默认值
defauleValue	默认值	boolean | undefined	-