javascript - jQuery : check if label by a specific name exists

Question

check if label by a specific name exists,

Say if i want to find if such label exists

<label onClick='javascript:someMethod()' name="label_name">*some text*</label>

if so then i need to implement some code.

Answer 1

尝试

var x = $('label[name="label_name"]');
if(x.length){
    //label exists
}

Answer 2

在条件循环中试试这个 -- $('label[name="label_name"]').length

Answer 3

if($('label[name="label_name"]').length)
{
    //code
}

Answer 4

if ($('label[name="label_name"]').length) {
    alert('Label exists');
}

Answer 5

尝试这个：

 $(document).ready(function(){
        var name=$("label").attr("name");
    });