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javascript: check checkbox when text is entered into corresponding input field

Posted on 2014-09-17
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Last Modified: 2014-09-17
<input  type="checkbox"   name="CreateAdditionalNameBox"id="CreateAdditionalNameBox" value="1" />
         
<input  type="text"      name="CreateAdditionalName" size="20" id="CreateAdditionalName" />


such that when text is entered into CreateAdditionalName,  the checkbox is checked


thanks
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Question by:willsherwood
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Gary earned 500 total points
ID: 40329144
http://jsfiddle.net/03vr9vuh/6/

$("#CreateAdditionalName").keyup(function () {
    $(this).val() == "" ? $("#CreateAdditionalNameBox").attr("checked", false) : $("#CreateAdditionalNameBox").attr("checked", true)
})

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Author Closing Comment

by:willsherwood
ID: 40329150
yes yes  many thanks!
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