You create a Web page that contains the following image element. You need to write a JavaScript function that will dynamically change which image is displayed. Which code segment should you use?（） A: function changeImage（） {myImage.src = "image2.png"； } B: function changeImage（） { document.getElementById（"myImage"）.src = "image2.png"； } C: function changeImage（） { getElementById（"myImage"）.src = "image2.png"； } D: function changeImage（） { window.getElementById（"myImage"）.src = "image2.png"； }

<img src="http://edu-image.nosdn.127.net/B3ADCBA7C6B5D3C3FE3EBA163A871830.gif" />? <img src="http://edu-image.nosdn.127.net/464FB37C0E057ECEFBFD604D894F6DBC.gif" />|<img src="http://edu-image.nosdn.127.net/E195AA464C555910529A829DEE6DA78C.gif" />|<img src="http://edu-image.nosdn.127.net/E629E48667271519EAE5398347707920.gif" />|<img src="http://edu-image.nosdn.127.net/9E081A4E1773DB040515499C530DFFD0.gif" />

想要获取到img元素的src属性值，以下写法正确的是（）。 A: $（"img"）.getAttribute（"src"） B: $（"img"）.attr（"src"） C: $（"img"）.attr（"src"，""） D: $（"img"）.getAttr（"src"）

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<img src="http://img0.ph.126.net/-HjzgzaxCfJQbAEh01L6vQ==/663999470078348889.png" />? <img src="http://img0.ph.126.net/rX_-HH044xPMBSdLBsxXVg==/2788572594290376300.png" />|<img src="http://img0.ph.126.net/lB8kt0PVQIYV0rJM_97wZw==/6630199151512813455.png" />|<img src="http://img0.ph.126.net/L9YBeCXXOsJAiiP4EvaQpQ==/6630603771791932530.png" />|<img src="http://img0.ph.126.net/AkZr_KXKSujR-czNy0CcJQ==/6619409643910206792.png" />

<img src="http://nos.netease.com/edu-image/5428abb2-2f0a-40eb-af07-26ce344048ff.jpg" />? <img src="http://nos.netease.com/edu-image/d9983625-8ed4-4859-96e8-807d77768902.jpg" />|<img src="http://nos.netease.com/edu-image/5569d8a1-f417-4a74-bd46-76f26adf9987.jpg" />|<img src="http://nos.netease.com/edu-image/ec531368-9159-49c7-baa9-6ecbac263604.jpg" />|<img src="http://nos.netease.com/edu-image/6875cd06-948f-4a9a-9cbb-0a1684827d37.jpg" />

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