How does jquery trigger the effect every few seconds?-JS Tutorial-php.cn

How does jquery trigger the effect every few seconds?

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Release： 2021-12-13 11:15:37

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In jquery, you can use the "setTimeout()" method to achieve an interval of several seconds before triggering the effect. This method is used to call a function or calculate an expression after a specified number of milliseconds. The syntax is "setTimeout(requires execution Code, millisecond waiting time);".

How does jquery trigger the effect every few seconds?

The operating environment of this tutorial: windows10 system, jquery3.2.1 version, Dell G3 computer.

How jquery can trigger the effect every few seconds

In jquery, you can use setTimeout() to trigger the effect every few seconds. The setTimeout() method is used to call a function or calculated expression after a specified number of milliseconds.

The syntax is:

setTimeout(code, milliseconds, param1, param2, ...)
setTimeout(function, milliseconds, param1, param2, ...)

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Among them:

How does jquery trigger the effect every few seconds?

The example is as follows:

<html>
<head>
<meta charset="utf-8">
<title>123</title>
</head>
<body>
<p>点击按钮，3 秒后会弹出 "Hello"。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction() {
    setTimeout(function(){ alert("Hello"); }, 3000);
}
</script>
</body>
</html>

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Output result:

How does jquery trigger the effect every few seconds?

After 3 seconds of clicking the button:

How does jquery trigger the effect every few seconds?

Recommended related video tutorials: jQuery video tutorial

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