Answer1215

摘要： Most of times, we need 'alt' to the images, so it can tell the screen reader what is this image about. But sometimes, we can leave alt="", make alt to 阅读全文

摘要： For example, when we use checkbox, if we do like this: When we use screen reader, it will lose the semantics meaning, it only say: Instead, we want to 阅读全文