有什么办法简化这段代码吗? [英] Any way to simplify this code?
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问题描述
javascript新手!这有用,但我还有很多工作要做,如果有更简洁的方法可以做到这一点会很棒。如果需要,可以使用jquery:)
New to javascript! This works, but I have a lot more to do, and it would be great if there was a cleaner way to do this.. open to using jquery if neccesary :)
(堆栈希望我在提交之前写更多内容,但我不确定还有什么要说的)
(stack wants me to write more before I submit, though I'm not sure what else to say)
<script>
function apply(){
var backerPrediction1 = document.getElementById("backer-prediction-1").value;
var backerPrediction2 = document.getElementById("backer-prediction-2").value;
var backerPrediction3 = document.getElementById("backer-prediction-3").value;
var backerPrediction4 = document.getElementById("backer-prediction-4").value;
var backerPrediction5 = document.getElementById("backer-prediction-5").value;
var backerPrediction6 = document.getElementById("backer-prediction-6").value;
var backerPrediction7 = document.getElementById("backer-prediction-7").value;
var backerPrediction8 = document.getElementById("backer-prediction-8").value;
var backerPrediction9 = document.getElementById("backer-prediction-9").value;
var backerPrediction10 = document.getElementById("backer-prediction-10").value;
var backerPrediction11 = document.getElementById("backer-prediction-11").value;
var backerPrediction12= document.getElementById("backer-prediction-12").value;
var backerPrediction13 = document.getElementById("backer-prediction-13").value;
var backerPrediction14 = document.getElementById("backer-prediction-14").value;
var backerPrediction15 = document.getElementById("backer-prediction-15").value;
var backerPrediction16 = document.getElementById("backer-prediction-16").value;
var backerPrediction17 = document.getElementById("backer-prediction-17").value;
var backerPrediction18 = document.getElementById("backer-prediction-18").value;
var backerPrediction19 = document.getElementById("backer-prediction-19").value;
var backers = parseInt(backerPrediction1,10) +
parseInt(backerPrediction2,10) +
parseInt(backerPrediction3,10) +
parseInt(backerPrediction4,10) +
parseInt(backerPrediction5,10) +
parseInt(backerPrediction6,10) +
parseInt(backerPrediction7,10) +
parseInt(backerPrediction8,10) +
parseInt(backerPrediction9,10) +
parseInt(backerPrediction10,10) +
parseInt(backerPrediction11,10) +
parseInt(backerPrediction12,10) +
parseInt(backerPrediction13,10) +
parseInt(backerPrediction14,10) +
parseInt(backerPrediction15,10) +
parseInt(backerPrediction16,10) +
parseInt(backerPrediction17,10) +
parseInt(backerPrediction18,10) +
parseInt(backerPrediction19,10)
;
document.getElementById("backer-prediction-answer").value = (backers);
}
</script>
感谢您的帮助! :)
推荐答案
我会这样做:
function apply() {
var backers = 0;
for (var i = 1; i < 20; ++i) {
backers +=
parseInt(document.getElementById("backer-prediction-" + i).value);
}
document.getElementById("backer-prediction-answer").value = backers;
}
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