diff --git a/wave_sort/javascript/waveSort.js b/wave_sort/javascript/waveSort.js
new file mode 100644
index 00000000..abf868f6
--- /dev/null
+++ b/wave_sort/javascript/waveSort.js
@@ -0,0 +1,30 @@
+sortInWave = (arr) => {
+
+    let newarr = [];
+
+    // sort array
+    arr.sort((a,b) => {
+        return a-b;
+    })
+    // Swapping adjacent elements
+    for (let i = 0; i < arr.length; i = i+2) {
+        newarr[i] = arr[i+1];
+        newarr[i+1] = arr[i];
+    }
+
+    // check odd or even if odd remove undefined value
+    if (arr.length%2 != 0) {
+        newarr.splice(newarr.length -2, 1)
+    }
+
+    return newarr;
+
+}
+
+arr = [10, 90, 49, 2, 23, 100, 89, 99];
+
+arr = sortInWave(arr);
+
+for (let index = 0; index < arr.length; index++) {
+    console.log(arr[index]);
+}
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