Javascript 检查光标是否位于输入文本的末尾
我想做的是当我把电子邮件地址test@example.com, test@example.co.uk,等等,我点击空格,我想检查光标是否在输入文本的末尾,然后才能在元素中添加HTMLJavascript 检查光标是否位于输入文本的末尾,javascript,jquery,html,cursor,Javascript,Jquery,Html,Cursor,我想做的是当我把电子邮件地址test@example.com, test@example.co.uk,等等,我点击空格,我想检查光标是否在输入文本的末尾,然后才能在元素中添加HTML if (selectionEndofText) { if (e.which == 32) { $('#oI').append('<div class="vR"><span class="vN" data-hovercard-name="'+name+'" data-hovercard-
if (selectionEndofText) {
if (e.which == 32) {
$('#oI').append('<div class="vR"><span class="vN" data-hovercard-name="'+name+'" data-hovercard-email="'+email+'" data-hovercard-owner-id="137"><div class="vT">'+name+'</div><div class="vM"></div></span><input name="to" type="hidden" value="<'+name+'>"></div>');
$('.vR').insertBefore('#domodal_email_receipt');
$('#domodal_email_receipt').val('');
}
}
if(选择ondoftext){
如果(e.which==32){
$('#oI')。附加(''+name+'');
$(“.vR”).insertBefore(“#domodal_email_receive”);
$('domodal'u email_receive').val('');
}
}
完整代码:
$(document).on('keydown', '#domodal_email_receipt', function(e) {
var fullname = $(this).val();
var name = fullname.split(' <');
var selectionEndofText = $(this).val().length;
var name = name[0];
var email = '';
if (fullname.indexOf('<') > -1) {
email = fullname.split('<');
email = email[1].replace('>', '');
}
alert("selectionEndofText................."+selectionEndofText);
//if (!selectionEndofText)
if (e.which == 32) {
$('#oI').append('<div class="vR"><span class="vN" data-hovercard-name="'+name+'" data-hovercard-email="'+email+'" data-hovercard-owner-id="137"><div class="vT">'+name+'</div><div class="vM"></div></span><input name="to" type="hidden" value="<'+name+'>"></div>');
$('.vR').insertBefore('#domodal_email_receipt');
$('#domodal_email_receipt').val('');
}
});
$(document).on('keydown','domodal_email_receive',函数(e){
var fullname=$(this.val();
var name=fullname.split(“”);
$(“.vR”).insertBefore(“#domodal_email_receive”);
$('domodal'u email_receive').val('');
}
});
除了在if语句中检查空格关键字外,还可以使用返回数字的.selectionStart
检查插入符号位置。因此,如果当前位置等于长度,则意味着它位于输入端
要清除输入,请使用setTimeOut
使其最后运行。否则,里面会有一个空间
if (e.which == 32 && selectionEndofText === this.selectionStart) {
$('#oI').append('<div class="vR"><span class="vN" data-hovercard-name="'+name+'" data-hovercard-email="'+email+'" data-hovercard-owner-id="137"><div class="vT">'+name+'</div><div class="vM"></div></span><input name="to" type="hidden" value="<'+name+'>"></div>');
$('.vR').insertBefore('#domodal_email_receipt');
setTimeout(function(){
$('#domodal_email_receipt').val('');
}, 0);
}
if(例如which==32&&selectionEndofText==this.selectionStart){
$('#oI')。附加(''+name+'');
$(“.vR”).insertBefore(“#domodal_email_receive”);
setTimeout(函数(){
$('domodal'u email_receive').val('');
}, 0);
}