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Square brackets meaning string wont work – Oscommerce

I am a bit stuck, trying to use this jquery line to enter a result from a select option into a text area

This doesnt work

  $("#id[txt_17]").val($(this).find("option:selected").attr("name"));

This does

$("#idtxt_17").val($(this).find("option:selected").attr("name"));

The [ ] are coded in via an oscommerce plugin and I have no idea of the importance of them, or what me removing them would do, but I am wondering if there is a workaround so I can leave them in. I tried creating a variable referencing the id but it still didnt work because of the square brackets.

Any help would be appreciated.

Thx

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2

Answers


  1. 0

    See: jQuery – Category: Selectors

    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”). The W3C CSS
    specification contains the complete set of rules regarding valid CSS
    selectors. Also useful is the blog entry by Mathias Bynens on CSS
    character escape sequences for identifiers.

    replace:

    $("#id[txt_17]").val

    with:

    $("#id\[txt_17\]").val

    Example

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  2. 0

    Escape the brackets:

    $("#id\[txt_17\]")
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