[英]Convert a nested array to plain Arrays
I have an array like below 我有一个像下面的数组
var arr = [["a", "b"],[1],[5,6]];
I would like to convert it to plain JSON like below 我想将其转换为如下所示的纯JSON
arr = [
["a","a","b","b"]
[1,1,1,1]
[5,6,5,6]
]
The logic is 逻辑是
Under each item of first array element all the elements are sub elements, under next each array items of [1], [5,6] are sub elements 在第一个数组元素的每个项目下,所有元素都是子元素,在下一个[1],[5,6]的每个数组项目下都是子元素
a->1->[5,6]
b->1->[5,6]
if var arr = [["a", "b"],[1,2],[5,6]];
如果var arr = [["a", "b"],[1,2],[5,6]];
then 然后
a->[1]->[5,6]
a->[2]->[5,6]
like the same with element b also. 就像元素b一样。 I am struck, as I don't know how to proceed 我不知所措,感到震惊
Like this?: 像这样?:
var arr = [["a", "b"],[1],[5,6]];
var convert2PlainArray = function(array){
var totalLength = 1,
plainArray = [];
for(var i=0;i<array.length; i++){
totalLength*=array[i].length;
}
for(var i=0;i<array.length; i++){
var currentElementLength = totalLength/array[i].length,
tempArray = [];
for(var e=0;e<array[i].length; e++){
for(var l=0;l<currentElementLength; l++)tempArray.push(array[i][e]);
}
plainArray.push(tempArray);
}
return plainArray;
}
alert(JSON.stringify(convert2PlainArray(arr)));
Test it on fiddle: http://jsfiddle.net/GMJzW/ 在小提琴上对其进行测试: http : //jsfiddle.net/GMJzW/
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