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js and jquery set the disabled attribute to true to invalidate the button_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:40:091702browse

Set the disabled attribute to true to indicate the unavailable state.

JS

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

jquery

$("#btn").attr("disabled", true);

html

<input type="button" value="提交" id="btn">
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