"Uncaught TypeError: Cannot read property 'length' of null"

gustafl / lexeme

A new take on language learning.

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"Uncaught TypeError: Cannot read property 'length' of null" #97

Open gustafl opened 8 years ago

gustafl commented 8 years ago

It happens here:

// Get properties of currently highlighted <span>
var span = window.lastHighlight.element[0];
var spanTextNode = span.firstChild;
var originalLength = spanTextNode.length;  // ERROR!
var parentElement = span.parentElement;
var spanOffset = 0;