js在用户输入表情时自动过滤掉
<input type="text" id="input" maxlength="10"/>
var noEmoji = function(dom) { var html = $(dom).val(), oldHtml = ""; oldHtml = html; var reg = /[^u0020-u007Eu00A0-u00BEu2E80-uA4CFuF900-uFAFFuFE30-uFE4FuFF00-uFFEFu0080-u009Fu2000-u201fu2026u2022u20ac ]/g; if(html.match(reg)) { html = html.replace(reg, ''); } if(html != oldHtml) { $(dom).val(html); } /** * 光标移到最后 */ function endFocus(dom) { var sel = window.getSelection(); var range = document.createRange(); range.selectNodeContents(dom); range.collapse(false); sel.removeAllRanges(); sel.addRange(range); } };
$('#input').keyup(function(){ noEmoji($(this)); })