在输入中禁用空格,并允许后退箭头? [英] Disable spaces in Input, AND allow back arrow?
问题描述
我试图在用户名文本字段中禁用空格,但是我的代码也禁用了后退箭头。任何方式允许后退箭头也可以吗?
$(function(){
var txt = $(input #UserName);
var func = function(){
txt.val(txt.val()。replace(/ \s / g,''));
}
txt.keyup(func).blur(func);
});
小提琴: c> keydown 处理程序,并阻止空格键的默认操作(即 DEMO: http://jsfiddle.net/EJFbt/1/ I am trying to disable spaces in the Username text field, however my code disables using the back arrow too. Any way to allow the back arrow also? fiddle: http://jsfiddle.net/EJFbt/ You may add DEMO: http://jsfiddle.net/EJFbt/1/ 这篇关于在输入中禁用空格,并允许后退箭头?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋! 32
):
<$ (
keydown:function(e){
if(e.which === 32)$ b $($ input $#$> $(input#UserName b返回false;
},
change:function(){
this.value = this.value.replace(/ \s / g,);
}
});
$(function() {
var txt = $("input#UserName");
var func = function() {
txt.val(txt.val().replace(/\s/g, ''));
}
txt.keyup(func).blur(func);
});
keydown
handler and prevent default action for space key (i.e. 32
):$("input#UserName").on({
keydown: function(e) {
if (e.which === 32)
return false;
},
change: function() {
this.value = this.value.replace(/\s/g, "");
}
});