dynamic - Calculate width dynamically (jQuery) -

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एचटीएमएल: 

  & lt; div class = "parent" & gt; & Lt; div वर्ग = "एक" & gt; & lt; / div & gt; & Lt; div वर्ग = "दो" & gt; & lt; / div & gt; & Lt; div वर्ग = "तीन" & gt; & lt; / div & gt; & Lt; / div & gt;

jQuery 

  पैरेंटवड्थ = $ ("माता-पिता")। बाह्यवादि (सच); एक चौथाई = $ ("अभिभावक। एक")। बाह्यवास्तव (सच); दोविंड = $ ("माता-पिता। दो")। बाह्यवास्तव (सच); $ ('माता-पिता। तीन') चौड़ाई (पैरेंटवड्थ - एकविड्थ - दोविंड);

लेकिन यह बात है, या तो div। एक या। दो कुछ समय मौजूद नहीं हो सकते, मैं इसके लिए jQuery को कैसे संशोधित कर सकता हूं?

धन्यवाद

आप इसकी लंबाई प्रॉपर्टी को चेक करके मौजूद तत्व की जांच कर सकते हैं: 

  parentWidth = $ ( "। जनक") outerWidth (सही)। OneWidth = $ ("माता पिता। एक")। लंबाई? $ ("माता-पिता। एक")। बाहरी वाइड (सच): 0; दोविंड = $ ("माता-पिता। दो")। लंबाई? $ ("माता-पिता। दो")। बाहरी वाइड (सच): 0; $ ('माता-पिता। तीन') चौड़ाई (पैरेंटवड्थ - एकविड्थ - दोविंड);

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