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[英]Onkeyup event for multiple input field in JavaScript or Jquery?
[英]onkeyup javascript function does not work properly on input field
我有一个将整数转换为印度卢比格式的函数。 它在onclick事件函数上起作用并给出结果,但是在onkeyup事件上应用时它不起作用。 问题出在哪儿?
我的功能如下。
function numberWithCommas(x) {
x = x.replace(",", '');
x = x.toString();
var lastThree = x.substring(x.length - 3);
var otherNumbers = x.substring(0, x.length - 3);
if (otherNumbers != '')
lastThree = ',' + lastThree;
var res = otherNumbers.replace(/\B(?=(\d{2})+(?!\d))/g, ",") + lastThree;
return res;
}
function numberformat() {
var n = document.getElementById('in_no').value;
alert(numberWithCommas(n));
}
HTML是
<input type="text" id="in_no" />
<button onclick="numberformat()">Test</button>
<input type="text" id="in_no1" onkeyup="numberWithCommas(this.value)" />
如果我们创建另一个函数,例如
function numberformat1(id){
var n = document.getElementById(id).value;
var n = numberWithCommas(n);
document.getElementById('in_no1').value = n;
}
和html更改为
<input type="text" id="in_no1" onkeyup="numberformat1('in_no1')"/>
它可以工作,但结果就像2,0,0,0,0,000而不是2,00,00,000
1)将onkeyup="numberWithCommas(this.value)"
替换为onkeyup="numberWithCommas(this)"
。
2)由于我们现在正在通过引用传递元素,因此请执行以下操作:
function numberWithCommas(x) { var elem = x; var x = x.value.replace(/,/g, ''); var lastThree = x.substring(x.length - 3); var otherNumbers = x.substring(0, x.length - 3); if (otherNumbers != '') lastThree = ',' + lastThree; var res = otherNumbers.replace(/\\B(?=(\\d{2})+(?!\\d))/g, ",") + lastThree; elem.value = x; }
No commas in here: <input type="text" id="in_no1" onkeyup="numberWithCommas(this)" />
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