javascript - jQuery: .each .data ('key' ) 给出 "Uncaught TypeError: Object # has no method ' 数据'"

Question

$.each($('input[value|="Disable Login"]'), function() {
    alert(this.data('id'));
});

给出

"Uncaught TypeError: Object # has no method 'data'".

Answer 1

您可能正在寻找:

$('input[value|="Disable Login"]').each(function(){
    alert($(this).attr("id"));
});

此外，您可以考虑将其应用到文档的子部分。像这样:

$('input[value|="Disable Login"]',$("#myform")).each(function(){
    alert($(this).attr("id"));
});