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Javascript 当输入的总和是jquery的特定数字时,启用按钮_Javascript_Jquery_Html_Forms - Fatal编程技术网

Javascript 当输入的总和是jquery的特定数字时,启用按钮

Javascript 当输入的总和是jquery的特定数字时,启用按钮,javascript,jquery,html,forms,Javascript,Jquery,Html,Forms,求你了,我需要这个代码的帮助。在这种情况下,当所有其他输入的总和==10时,我需要启用submit。请 <form> <p> if the sum is <input name="total" type="text" value="10" readonly="readonly"> must be enable the button,otherwise it kept disabled </p> <input

求你了,我需要这个代码的帮助。在这种情况下,当所有其他
输入的总和==10时,我需要启用submit。请

<form>
  <p>
    if the sum is
    <input name="total" type="text" value="10" readonly="readonly">
    must be enable the button,otherwise it kept disabled
  </p>
  <input name="sum1" type="number"></br>
  <input name="sum2" type="number"></br>
  <input name="sum3" type="number"></br>
  <input name="go" value="calculate" type="button" disabled="disabled"></br>
</form>


如果总数是
必须启用按钮,否则将保持禁用状态





$('input[name=“sum1”]、input[name=“sum2”]、input[name=“sum3”])。在('change keyup paste',function()上{
var sum=+$('input[name=“sum1”]').val()++$('input[name=“sum2”]').val()++$('input[name=“sum3”]').val();
控制台日志(总和);
如果(总和=10){
$('input[name=“go”]”)。prop('disabled',false);
}否则{
$('input[name=“go”]”)。prop('disabled',true);
}
});


如果总数是
必须启用按钮,否则将保持禁用状态






尝试使用
输入[name=input\u name]获取每个值
然后使用一元加号运算符将它们转换为数字

$('input').keyup(函数(){
var nbr1=$('input[name=sum1]')。val();
var nbr2=$('input[name=sum2]')。val();
var nbr3=$('input[name=sum3]')。val();
var总和=0;
总和=+nbr1++nbr2++nbr3;
控制台日志(总和)
如果(总和=10){
$('input[name=go]').attr('disabled',false)
}
否则{
$('input[name=go]').attr('disabled',true)
}
});


如果总数是
必须启用按钮,否则将保持禁用状态






您试过您这边的东西吗?