25 lines
633 B
JavaScript
Executable File
25 lines
633 B
JavaScript
Executable File
function RevRev6(str) {
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let arr = str.split(":");
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let filler;
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for (let i = 0; i < arr.length; i++) {
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if (arr[i] == "") {
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if (filler) {
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arr[i] = "0000";
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} else {
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filler = i;
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}
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} else {
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while (arr[i].length < 4) {
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arr[i] = "0" + arr[i];
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}
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}
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}
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if (filler) {
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arr.splice(filler, 1, "0000");
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while (arr.length < 8) {
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arr.splice(filler, 0, "0000");
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}
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}
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return arr.join("").split("").reverse().join(".") + ".ipv6.arpa"
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}
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