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我有一個字符串數組,即章節序列。我應該按照順序排列數組。如何在JavaScript中安排順序?
樣品
var item = ["1.1", "1.1.1", "17.10", "13.11", "11.12", "17.7.a", "6.11", "6.11.1", "1.2", "1.2.1", "1.2.2.a"]
console.log("After Sort : " + item.sort());
但預期的結果是
["1.1", "1.1.1", "1.2", "1.2.1", "1.2.2.a", "6.11", "6.11.1", "11.12", "13.11", "17.7.a", "17.10"]
更新
我得到了答案,從這個reference
Array.prototype.humanSort = function() {
return this.sort(function(a, b) {
aa = a.split(/(\d+)/);
bb = b.split(/(\d+)/);
for(var x = 0; x < Math.max(aa.length, bb.length); x++) {
if(aa[x] != bb[x]) {
var cmp1 = (isNaN(parseInt(aa[x],10)))? aa[x] : parseInt(aa[x],10);
var cmp2 = (isNaN(parseInt(bb[x],10)))? bb[x] : parseInt(bb[x],10);
if(cmp1 == undefined || cmp2 == undefined)
return aa.length - bb.length;
else
return (cmp1 < cmp2) ? -1 : 1;
}
}
return 0;
});
}
'「1.1.1」'不能是數字...... – Rayon
@Rayon OP很明顯地說「字符串數組」,我不知道你爲什麼要考慮數字。 –
@NiettheDarkAbsol - 在這種情況下,我期待着一個'compareFunction'。 – Rayon