code to check two strings are anagram

write a code to check the string is anagram or not
Sample Input:
str 1: Triangle
str 2:Integral
sample output: yes they are anagram

anagram .js

@@ -0,0 +1,17 @@
+let a ="triangle";
+let b="integral";
+var check=0;
+for(var i=0;i<a.length;i++){
+    for(var j=0;j<b.length;j++){
+        if(a[i]===b[j]){
+            check++
+        }
+    }
+
+}
+//console.log(check)
+if(check === b.length){
+    console.log("yes")
+}else{
+    console.log("no")
+}