如何选择id包含|的元素使用jquery id选择器

Question

If an element id is "mainid|label" , it will throw exception when using $("#mainid|label") .

Error: Syntax error, unrecognized expression: #mainid|label

Then how to get this element with jquery id selector?

Answer 1

You can also use $.escapeSelector

$("#"+$.escapeSelector("mainid|label"))

$.escapeSelector automatically manage every single special character present in your string

Answer 2

Since | is a meta character, you have to escape it

 $("#mainid\\|label")

Documentation

To use any of the meta-characters ( such as !"#$%&'()*+,./:;<=>?@[]^`{|}~ ) as a literal part of a name, it must be escaped with with two backslashes: \\. For example, an element with id="foo.bar", can use the selector $("#foo\\.bar").

Answer 3

1. Use the attribute selector

   Description: Selects elements that have the specified attribute, with any value.

 console.log($('[id="mainid|label"]').text()) 

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <span id='mainid|label'>mainid|label</span>