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In JavaScript, the "math.random()" method will not randomize to 1; this method is used to return a random number between 0 and 1. The returned random number may contain 0, but Not containing 1, the syntax is "Math.random()".
The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.
The random() method can return a random number between 0 (inclusive) ~ 1 (exclusive).
The syntax is:
Math.random()
The returned result is a pseudo-random number between
0.0 ~ 1.0 (exclusive).
The example is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>123</title>
</head>
<body>
<p id="demo">点击按钮显示一个随机数</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
document.getElementById("demo").innerHTML=Math.random();
}
</script>
</body>
</html>Output result:
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