js control button click problem_html/css_WEB-ITnose

The following is the code, why is it useless?

<input type="text" id="phones" /><input type="button" value="发送验证码" onclick="phone_Change('2k3R4ru')" id="oc_phone"/>

function phone_Change(t){	 document.getElementById('oc_phone').disabled=false;}

Reply to discussion (solution)

Do you want to disable the button?

<input type="text" id="phones" /><input type="button" value="发送验证码" onclick="phone_Change('2k3R4ru')" id="oc_phone"/>

 document.getElementById('oc_phone').disabled = "disabled";

Like this

 document.getElementById('oc_phone').disabled = "disabled";

Like this
Well thank you