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javascript图像源_Javascript_Image_Onclick - Fatal编程技术网

javascript图像源

javascript图像源,javascript,image,onclick,Javascript,Image,Onclick,img src标签 我想,在javascript变量中单击图像的源时 我想在javascript中使用src var imageSource = document.getElementById ( "yourimageid").src; 样品 <script type="text/javascript"> function GetSrc(elem) { alert ( elem.src ); } </script> <i

img src标签

我想,在javascript变量中单击图像的源时 我想在javascript中使用src

var imageSource = document.getElementById ( "yourimageid").src;
样品

<script type="text/javascript">
    function GetSrc(elem)
    {
        alert ( elem.src );
    }

</script>

<img src="images/yourimage.extn" id="img1" onclick="GetSrc(this);" />

函数GetSrc(elem)
{
警报(elem.src);
}

警报(document.getElementById('image').src);

这将向src通知id为“image”的元素。

您还可以使用document.getElementById(“[elementName]”)。getAttribute(“src”)和setAttribute

<img src="image.png" id="image" alt="image">
<script type="text/javascript">
    alert(document.getElementById('image').src);
</script>