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![Sunny Singh](https://uploads.teamtreehouse.com/production/profile-photos/4186802/micro_FullSizeRender.jpg)
Sunny Singh
1,148 PointsError in JS . Can't figure out. Need help!
Uncaught TypeError: Cannot read property 'querySelector' of undefined
Line 86
I am having a brainfreeze moment now , if someone could please help?
1 Answer
![Jack Blankenship](https://secure.gravatar.com/avatar/64d47bc99d6ba3e86b27bc433924bd5f?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Jack Blankenship
Full Stack JavaScript Techdegree Graduate 39,036 PointsLine 112, you are using the incorrect variable in your for loop. Should be completedTaskHolder.children.length