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如题,我是用循环生成的图标,但某些是为空,就是在页面上是空白的,我该怎么判断这个<svg>或在页面上是空白的

感谢大婶们的解答!


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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等待大神解答

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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