How to achieve the flashing effect of web page title

This article will give you a detailed introduction to the method of achieving the flashing effect of web page titles. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Code

// 获取当前网页标题
    // console.log(document.title);
    // document.title = '快点 打开'

    // 如果状态的数量是固定的一定要想到两个固定的东西
    // 1. 取余
    // 2. switch……case……

    // 1.定时器
    // 2.两个标题
    // 这里空格必须使用全角的空格　否则不会在标题中显示
    var title1 = '[　　　]标题名';
    var title2 = '[新提醒]标题名';
    var i = 0;
    setInterval(function() {
        // 切换两个标题的显示
        // 判断
        if (i % 2 == 0) {
            document.title = title1;
        } else {
            document.title = title2;
        }
        i++;
    }, 500);

It should be noted that

• cannot ignore the definition of i variable

• You cannot use half-width spaces for spaces

[Recommended learning: javascript advanced tutorial】

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