3 回答

TA貢獻(xiàn)1850條經(jīng)驗(yàn) 獲得超11個(gè)贊
只需"$" +在前面添加一個(gè):
function myFunction() {
var x = document.getElementById("myText").value;
document.getElementById("demo").innerHTML = "$" + (x * .97).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
<input id="myText" placeholder="$149,995.00" type="number">
<button onclick="myFunction()" type="button">Convert</button>
<h1 id="demo"></h1>

TA貢獻(xiàn)1811條經(jīng)驗(yàn) 獲得超6個(gè)贊
我希望這是你所期待的
function myFunction() {
var x = document.getElementById("myText").value;
var amount = (x * .97).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
document.getElementById("demo").innerHTML = "$" + amount;
}
<input id="myText" placeholder="$149,995.00" type="number">
<button onclick="myFunction()" type="button">Convert</button>
<h1 id="demo"></h1>

TA貢獻(xiàn)1803條經(jīng)驗(yàn) 獲得超6個(gè)贊
function myFunction() {
var x = document.getElementById("myText").value;
document.getElementById("demo").innerHTML = "$"+(x * .97).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
<input id="myText" placeholder="$149,995.00" type="number">
<button onclick="myFunction()" type="button">Convert</button>
<h1 id="demo"></h1>
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