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How to invalidate buttons to unavailable state using js and jquery_javascript skills

WBOY
Release： 2016-05-16 17:02:23
Original
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Set the disabled attribute to true to indicate the unavailable state.
JS:

Copy code The code is as follows:

document.getElementByIdx("btn" ).disabled=true;

jquery
Copy code The code is as follows: >
$("#btn").attr("disabled", true);


html:


Copy code The code is as follows:

Related labels：
使按钮失效 不可用状态
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