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Commit 75a8afda authored by liuqing's avatar liuqing
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var arr = [
{ top: '0.4rem', left: '0.5rem' },
{ top: '0.4rem', left: '1.8rem' },
// ... 其他对象 ...
{ top: '2.5rem', left: '0.5rem' },
{ top: '2.5rem', left: '0.5rem' }
];
// 将数组随机排序
arr.sort(function() {
return Math.random() - 0.5;
});
var selectedArr = [];
var part1 = [];
var part2 = [];
var part3 = [];
var numSelected = 0;
// 随机选择7、8、10或12个元素
var numToSelect = [ 12];
var randomNum = Math.floor(Math.random() * 4); // 随机选择7、8、10或12
numSelected = numToSelect[randomNum];
// 将选中的元素分成3个部分
var numPerPart = Math.floor(numSelected / 3);
// 平均从3个数据中选择
var startIndex = 0;
for (var i = 0; i < numSelected; i++) {
var currentPart = i % 3;
if (currentPart === 0) {
part1.push(arr[startIndex + Math.floor(i / 3)]);
} else if (currentPart === 1) {
part2.push(arr[startIndex + Math.floor(i / 3)]);
} else {
part3.push(arr[startIndex + Math.floor(i / 3)]);
}
}
console.log(part1);
console.log(part2);
console.log(part3);
</script>
</body>
</html>
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