javascript - Removing image src attribute -


एक छवि टैग पर src विशेषता को हटाना नहीं लगता आईओएस (7) या एंड्रॉइड (किटकैट) पर नजर डालने के लिए न तो एक रिक्त मूल्य के लिए विशेषता को बदलता है। अपेक्षित के रूप में डेस्कटॉप ब्राउज़र्स काम करते हैं

यह विशेषता हटाता है, लेकिन दृश्य परिवर्तन को प्रतिबिंबित नहीं करता है: $ ('# imgPreview')। RemoveAttr ('src');

यह विशेषता को बदलता है लेकिन दृश्य परिवर्तन को प्रतिबिंबित नहीं करता है: $ ('# imgPreview')। Attr ('src', '');

यदि विशेषता को एक वैध छवि पथ में बदल दिया गया है, दृश्य देखता है: $ ('#imgPreview') .attr ('src', 'http: //some/image/path.jpg');

मेरे पास एक साधारण परीक्षण का मामला है जो इस मुद्दे को दिखाता है।

क्या कोई तरीका है कि मैं src को रिक्त स्थान पर बदलने के बाद एक लाल रंग को लागू कर सकता हूं? मूल्य या src विशेषता को पूरी तरह से हटाया जा रहा है?

इस तरह का स्निपेट: 

  $। fn.redraw = function () {return.hide ()। शो (0); };   
 या शायद बेहतर:  
  $। Fn.redraw = function () {return.Each (function () {var zIndex = $ (यह )। सीएसएस ('जेड-इंडेक्स'); $ (यह)। सीएसएस ('जेड इंडेक्स', - 1)। सीएसएस ('जेड-इंडेक्स', ज़ींडेक्स);}); };   
 तब इसे यूज़::  
  $ ('# imgPreview') के रूप में प्रयोग करें। removeAttr ('src')। redraw ();

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