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我已經創建了一個JavaScript函數,當我們第一次訪問網頁時不起作用。它只會通過刷新頁面或第二次訪問它。onClick JavaScript在第一次訪問時不起作用(頁面訪問)
我如何確保它,當我們訪問該頁面首次
這裏工作,甚至是代碼:
<script type="text/javascript">
/*--adding/subtracting no. of seats and price-- */
function calculateSeat()
{
var nums = [document.getElementById('number_seat0').value, document.getElementById('number_seat1').value,document.getElementById('number_seat2').value,document.getElementById('number_seat3').value,document.getElementById('number_seat4').value];
var num = 0;
for (i=0; i < nums.length; i++) {
num += +nums[i];
}
document.getElementById('total_seat').value = num;
document.getElementById('total_amount').value = parseFloat(num * <?php echo $_SESSION['price'] ;?>).toFixed(2);
};
</script>
你是怎麼調用'calculateSeat'的? –
'num + = + nums [i];'Waat? –
您是否嘗試過IIFE?或'window.onload'? – jmargolisvt