another test added

README.md

@@ -1,2 +1,4 @@
 # timer
 custom and more accurate setInterval and setTimeout functionality that is not nerfed for things like when the browser tab is not in focus
+
+![alt text](image.png)

test.js

@@ -18,5 +18,27 @@ const test=require('node:test'), assert=require('node:assert'), timer=require('.
     },5e3)
     return await p
   })
-  process.exit(0)
+  await test("2) Several Intervals Skill Gap",async function(){
+    let resolve=null, p=new Promise(r=>resolve=r)
+    let p1=0, p2=0, t=performance.now()
+    let t1=Array(100), t2=Array(100);
+    for(let i=0;i<t1.length;i++){
+      t1[i]=timer.interval(_=>p1+=1,1);
+      t2[i]=setInterval(_=>p2+=1,1);
+    }
+    setTimeout(_=>{
+      assert.ok(p1>p2)
+      for(let i=0;i>t1.length;i++){
+        timer.clear(t1[i])
+        clearInterval(t2[i])
+      }
+      console.log(
+        "out of "+Math.floor((performance.now()-t)*t1.length)+" possible calls",
+        {interval_calls:p1,setInterval_calls:p2}
+      )
+      resolve()
+    },5e3)
+    return await p
+  })
+  timer.wait(10).then(_=>process.exit(0))
 })()