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sdecima / javascript-detect-element-resize

A Cross-Browser, Event-based, Element Resize Detection
MIT License
881 stars 151 forks source link

Update detect-element-resize.js #43

Open software-engineering opened 8 years ago

software-engineering commented 8 years ago

fix async problem if expand is null Error: Uncaught TypeError: Cannot read property 'firstElementChild' of null