首页 > 解决方案 > 如何定期重复键入 JavaScript 函数

问题描述

我设计了一个程序来将字符串输入到div.

<!DOCTYPE html>
<html>

<head>
  <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>

  <script>
    var i, speed, thraot, disp;
    i = 0;
    speed = 90;
    thraot = "Jesus is Lord, Forever..."
    disp = document.createElement("DIV");
    disp.setAttribute('id', 'mytxt');
    document.body.appendChild(disp);
    disp.innerHTML = "";

    function myTyping() {
      if (i < thraot.length) {
        disp.innerHTML += thraot.charAt(i);
        i++;
      }
      dd = setTimeout(myTyping, speed);
    }

    setInterval(function() {
      myTyping();
    }, speed * thraot.length);
  </script>
</body>

</html>

我知道setInterval哪个在定义的毫秒内重复调用一个函数,但它在这里不起作用。

请我希望你们帮助我让它一遍又一遍地工作。

标签: javascriptfunctionsettimeoutsetinterval

解决方案


我非常感谢@user0103,他将我的代码从优秀变为优秀。

如何反复刷新一个打字效果功能...

<!DOCTYPE html> 
<html> 

<head> 
 <meta name="viewport" content="width=device-width, initial-scale=1"> 
</head> 

<body> 

 <script>
var i, speed, thraot, disp;
i = 0;
speed = 90;
thraot = "Jesus is Lord, Forever..."
disp = document.createElement("DIV");
disp.setAttribute('id', 'mytxt');
document.body.appendChild(disp);
disp.innerHTML = "";

const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));

(async function() {
    while(true) {
    for(let i = 0; i < thraot.length; ++i) {
        disp.innerHTML += thraot.charAt(i);
        await sleep(speed);
    }
    await sleep(speed);

    disp.innerHTML = "";
  }
})();

</script>
</body> 

</html>

这很好用...


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