[英]Javascript: Populate value of Text Fields with Variables based on Value of Select Menu
HTML:
<select id="SHIELD" onchange="calcCHO();" >
<option value="610" selected >CHO-SHIELD 610</option>
<option value="608" >CHO-SHIELD 608</option>
<option value="604" >CHO-SHIELD 604</option>
</select>
<input id="FILLER" type="text" disabled value="" />
剧本:
function calcCHO(){
var f_S = "Silver";
var f_N = "Nickel";
var f_SC = "Silver/Copper";
var CHOS = document.getElementById("SHIELD").value;
var FILLER = document.getElementById("FILLER").value;
if(CHOS === "610") {
FILLER = f_S;
}
else if (CHOS === "608") {
FILLER = f_N;
}
else {
FILLER = f_SC;
}
}
这看起来很简单,知道为什么它不起作用或产生任何控制台错误吗?
谢谢!
试试看。
函数 calcCHO(){
var f_S = "Silver";
var f_N = "Nickel";
var f_SC = "Silver/Copper";
var CHOS = document.getElementById("SHIELD").value;
var FILLER = document.getElementById("FILLER");
if(CHOS === "610") {
FILLER.value = f_S;
}
else if (CHOS === "608") {
FILLER.value = f_N;
}
else {
FILLER.value = f_SC;
}
}
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