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slurpee
6,694 PointsWhat's wrong with this?
quiz.js:26 Uncaught TypeError: Cannot read property '0' of undefined at quiz.js:26
1 Answer

Steven Parker
224,848 PointsThe loop on line 25 goes up to and including the length ("<="). But the largest valid index is always one less than the length, so in the final iteration the expression on line 26 tries to access an element that isn't in the array (and thus "undefined").
slurpee
6,694 Pointsslurpee
6,694 PointsYeah that code is a mess :/ it’s late so I’m restart it tomorrow