<!DOCTYPE html>
<html leng = 'en'>
<head>
<meta charset = 'UTF-8'/>
</head>
<body>
<script>
var arr = [[],[],[],[],[],[],[],[],[],[]]
for(var i = 0; i < 10; i++){
for(var j = 0; j < i + 1; j++){
if(j === 0 || j === i){
arr[i][j] = 1;
}else{
arr[i][j] = arr[i - 1][j - 1] + arr[i - 1][j];
}
}
}
console.log(arr);
</script>
</body>
</html>
js write Yang Hui triangle (two-dimensional array)
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Origin blog.csdn.net/weixin_48727085/article/details/107727449
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