var ranges = [
'\ud83c[\udf00-\udfff]',
'\ud83d[\udc00-\ude4f]',
'\ud83d[\ude80-\udeff]'
]
var remark = remark.replace(new RegExp(ranges.join('|'), 'g'), '').replace(/\s+/g, '');
js处理input输入的emoji
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转载自blog.csdn.net/a314753967/article/details/82836995
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