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並前往https://forum.sencha.com/forum/showthread.php?290108-el-dom-setSelectionRange-and-el-dom-createTextRange-are-always-undefined

el.dom.setSelectionRange and el.dom.createTextRange are ...

createTextRange are always undefined. Hi, this is driving me NUTS! I am trying to port a plugin to Sencha Touch from ExtJS.

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查詢 「createTextRange」的人也找了：

  1. createTextRange
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  5. createContextualFragment
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  6. createRange
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  8. setSelectionRange
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