[英]Is it possible to pass an objects function to a buttons onClick event in Javascript?
這是 HTML
<form class='frm1'>
<h2>Enter Loan Amount:</h2>
<input type='text' name='Lamount' id='Lamount'>
<h2>Enter Credit Score:</h2>
<input type='text' name='Cscore' id='Cscore'><!-- comment -->
<h2>Enter Estimated Property Taxes:</h2>
<input type='text' name='Ptaxes' id='Ptaxes'><!-- comment -->
<h2>Enter Estimated Monthly Mortgage Insurance:</h2>
<input type='text' name='Minsurance' id='Minsurance'><!-- comment -->
<h2>How many years will this loan be active?:</h2>
<input type='text' name='Yactive' id='Yactive'>
<br><br>
<button id='btn1' onClick="loanCalculator.getIR()">Continue</button>
我嘗試只使用 getIR() ,但它仍然沒有做它應該做的事情。
我還嘗試將 object 包裝在名為 getIR 的 function 中,並將值存儲在數組中,但是當我嘗試警告或寫入數組的內容時,所有打印的內容都是“對象”
</form>
這是 Javascript
loanCalculator = {
loan_amt: document.getElementById('Lamount').value,
c_score: document.getElementById('Cscore').value,
p_taxes: document.getElementById('Ptaxes').value,
m_insurance: document.getElementById('Minsurance').value,
y_active: document.getElementById('Yactive').value,
getIR: function(){
if(c_score <= 500){
alert("5% Interest Rate");
}
else if(c_score >=501 && c_score <600){
alert("4.75% Interest Rate");
}
else if(c_score >=601 && c_score <700){
alert("4.45% Interest Rate");
}
else{
alert("4.25% Interest Rate");
}
}
};
示例之一如下。
loanCalculator = { getIR: function() { const c_score = parseInt(document.getElementById('Cscore').value) if (c_score <= 500) { alert("5% Interest Rate"); } else if (c_score >= 501 && c_score < 600) { alert("4.75% Interest Rate"); } else if (c_score >= 601 && c_score < 700) { alert("4.45% Interest Rate"); } else { alert("4.25% Interest Rate"); } } };
<h2>Enter Credit Score:</h2> <input type='text' name='Cscore' id='Cscore'><.-- comment --> <button id='btn1' onClick="loanCalculator.getIR()">Continue</button>
您需要在每次單擊按鈕后執行document.getElementById(xxx).value
,所以我猜您可能不需要c_score: document.getElementById('Cscore').value
。 (這是題外話,但請注意輸入值的驗證。)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.