這是我第一週自學javascript,我遇到了問題。簡單的Javascript Onblur如果其他功能
我正在嘗試創建一個簡單的抵押貸款'價值'計算器。我的計算器工作正常,但我試圖爲我的兩個表單域中的一個設置最小值驗證。
這裏是頁面
我的代碼如下
function calculate (form) {
var propVal = form.propertyValue.value; var loanAmt =
form.mortgageAmount.value; var type = form.mortgageType.value;
var ltv = loanAmt/propVal * 100 ;
var roundedLtv = Math.floor(ltv);
if (type === "First Time Buyer" && roundedLtv <= 91) {
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> We can help place your mortgage");
}
else if (type === "Moving Home" && roundedLtv <= 91) {
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> We can help place your mortgage");
}
else if (type === "Remortgage" && roundedLtv <= 86) {
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> We can help place your mortgage");
}
else if (type === "Buy To Let Purchase" && roundedLtv <= 81) {
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> We can help place your mortgage");
}
else if (type === "Buy To Let Remortgage" && roundedLtv <= 76) {
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> We can help place your mortgage");
}
else
{
document.getElementById("result").innerHTML= ("Your loan to value is: <b>" + (roundedLtv) + "%</b> <br /> Unfortunatly we cannot help you place a mortgage");
}
}
所有工作正常,直到這點,在那裏我試圖提醒用戶的是,貸款金額鏈接需要大於45000.在HTML中,您會看到我正在嘗試使用onBlur函數
function loancheck (propVal,loanAmt,form) {
if (loanAmt >= 45000) {
document.getElementById("val1").innerHTML= ("Thank You");
}
else
{
document.getElementById("val1").innerHTML= ("Higher");
}
}
這是HTML去用它
<form name="myform" ACTION="" METHOD="GET"> Mortgage Type
<select name="mortgageType">
<option>First Time Buyer</option>
<option>Moving Home</option>
<option>Remortgage</option>
<option>Buy To Let Purchase</option>
<option>Buy To Let Remortgage</option>
</select>
<br />
Value <input name="propertyValue" type="text" value=""/><br />
Mortgage Amount <input name="mortgageAmount" type="text" value="" onBlur="loancheck(this.value)" />
<p id="val1"></p>
<INPUT TYPE="button" NAME="button" Value="Click" onClick="calculate(this.form)">
</form>
<br /><br />
<p id="result"> </p>
我敢肯定,我在做什麼根本性的錯誤,但如果有人能指出來給我,我將是最感謝。
這裏有什麼問題? '#val1'中沒有消息顯示?請澄清有問題。 – paislee
是的,val1中沒有顯示任何消息。 –
感謝以下所有耐心回答我的問題的人!我欠你全部 –