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JQ-.removeData()
removeData() 方法移除之前通过 data() 方法设置的数据
代码片段:
<!doctype html><html lang="en"><head><meta charset="utf-8"><title>removeData demo</title><style>div {margin: 2px;color: blue;}span {color: red;}</style><script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script></head><body><div>value1 before creation: <span></span></div><div>value1 after creation: <span></span></div><div>value1 after removal: <span></span></div><div>value2 after removal: <span></span></div><script>$("span").eq(0).text("" + $("div").data("test1"));$("div").data("test1", "VALUE-1");$("div").data("test2", "VALUE-2");$("span").eq(1).text("" + $("div").data("test1"));$("div").removeData("test1");$("span").eq(2).text("" + $("div").data("test1"));$("span").eq(3).text("" + $("div").data("test2"));</script></body></html>
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