我想改变文本框的值依赖于其他领域,我没有,但没有工作,获得在“resoom”字段为零,如何取决于其他领域
<script>
function resoome(){
\t var get_balance=document.getElementById("Etisalat").value
\t var alfees;
switch(get_balance){
\t \t case get_balance>=0.5 && get_balance<=1:
\t alfees=0.10;
\t break;
\t case get_balance>1 && get_balance<=3:
\t alfees=0.15;
\t break;
\t case get_balance>3 && get_balance<=5:
\t alfees=0.25;
\t break;
\t case get_balance>5 && get_balance<=10:
\t alfees=0.50;
\t break;
\t case get_balance>10 && get_balance<=15:
\t alfees=0.60;
\t break;
\t case get_balance>15 && get_balance<=20:
\t alfees=0.70;
\t break;
\t case get_balance>20 && get_balance<=30:
\t alfees=0.80;
\t break;
\t case get_balance>30 && get_balance<=40:
\t alfees=0.90;
\t break;
\t case get_balance>40 && get_balance<=70:
\t alfees=1;
\t break;
\t case get_balance>70 && get_balance<=100:
\t alfees=1.25;
\t break;
\t case get_balance>100 && get_balance<=150:
\t alfees=1.50;
\t break;
\t case get_balance>150 && get_balance<=200:
\t alfees=2;
\t break;
\t case get_balance>200:
\t alfees=3;
\t break;
\t default:
alfees=0;
\t \t }
\t \t resoom.value=alfees;
\t \t }
</script>
\t <select name="Etisalat" id="Etisalat" onfocusout="resoome()" class="select Etisalat">
<option value="0.5">0.5</option>
<option value="1">1</option>
<option value="1.5">1.5</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<input type="number" id="resoom"style="width:90px" name="resoom" placeholder="الرسوم"/>
我怎样才能解决这个问题,使resoom值变化取决于其他费尔德 感谢
我相信你的问题可能与你如何阅读select的价值。尝试使用此代替:'var get_balance = parseFloat(document.getElementById(“Etisalat”)value);' – BlackPanther