55 lines
1.2 KiB
HTML
55 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<body>
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<button>收藏</button>
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<script src='//cdn.bootcss.com/jquery/3.1.1/jquery.min.js'></script>
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<script>
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// 当前要收藏的数据
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const data = JSON.parse(localStorage.getItem("info"));
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var likeData = [];
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document.write(JSON.stringify(data))
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$("button").on('click', function () {
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console.log("status")
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if (localStorage.getItem("like") !== null) {
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console.log("status2")
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// 收藏的数据
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const like = JSON.parse(localStorage.getItem("like"));
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var status = false // true 重复，false 不重复
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for (var i = 0;i<like.length;i++) {
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if (like[i].id === data.id) {
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status = true
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break;
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}
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}
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if (status) {
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console.log("重复")
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} else {
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like.push(data)
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localStorage.setItem("like", JSON.stringify(like))
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}
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} else {
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likeData.push(data)
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localStorage.setItem("like", JSON.stringify(likeData))
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}
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});
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</script>
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</body>
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</html> |