我正在尝试创建一个按钮来清除这两种形式,如下面的代码所示。我能够弄清楚清除表单的代码仅适用于最后编码的表单。因此,如果我首先输入表单 id zxy 的代码,然后尝试清除表单,我会收到错误消息,但清除表单 id 手动输入的代码有效。但是,如果我将表单 id zxy 的代码粘贴到表单 id manualEntry 下方,则相反。
无论哪种形式在顶部都会收到错误消息“未捕获的引用错误:x 未定义。
希望这很清楚。这是我的代码。
<img id="barcodereader" src="img/scanner.JPG" width=25px class="refButtons"> Click to toggle between using a barcode reader or manual entry<br>
<div id="withreader">
<div class="reagentlog">
Some text<br>
<form id="zxy">
<label>Scan barcode here:</label>
<input type='text' name='barcodescan' id='barcodescan'><br>
<label>Product GTIN</label>
<input type='text' id='gtin' name='gtin'><br>
<label>Number of Units:</label>
<input type='text' name='nmbrunits'><br>
<label>Open Date:</label>
<input type='date' id='opendate' name='opendate' onChange="gtinLookup()"><br>
<label id='expdays'>Expiration Days: </label><br>
<label>Open Exiration Date:</label>
<input type='date' name='opnexpdate' id='opexpdate'><br>
<input type="button" onClick="clearForm2()" value="Clear form">
<button type="submit" name="reagent-log">Submit</button>
<br>
<span>
Some text.<br>
Some more text<br>
A<br>
B<br>
C<br>
D<br>
</span>
</form>
</div>
</div>
<div id="withoutreader">
Complete the form below.<br>
<div class='reagentlog'>
<form id="manualEntry" action='aaaa.php' method='POST'>
<!-- <p title='By default this list will show products with available inventory. To see an extended list of product select the check box.'>
<input type='checkbox' name='default' >
Show entire reagent list.
</p> -->
<label>Select Reagent</label>
<select Reagent='New' id='reagentList' name='reagent' onChange="clearInputs()">
<option value="">--Select--</option>
<?php
reagentList ($conn);
?>
</select><br>
<!-- <div id='optionList'> -->
<label>Choose option</label>
<select name='rgt-option'>
<option value="routine">Routine Use</option>
<option value="expired">Expired Reagent</option>
<option value="lend">Lending</option>
<option value="adjust">Adjusting Inventory</option>
<option value="other">Other</option>
</select><br>
<label>Number of Units:</label>
<input type='text' id='nmbrunits2' name='nmbrunits'><br>
<label>Open Date:</label>
<input type='date' id='opendate2' name='opendate' onChange='getExpDate()'><br>
<label>Expiration Days:</label>
<span id='expdays2'></span><br>
<label>Open Exiration Date:</label>
<!-- <p id='opexpdate2b'></p> -->
<input type='date' id='opexpdate2' name='expdate'><br>
<input type="button" onClick="clearForm()" value="Clear form">
<button type="submit" name="reagent-log">Submit</button>
</form>
</div>
</div>
<script>
function clearForm() {
manualEntry.reset();
document.getElementById('opexpdate2').innerHTML = "";
document.getElementById('expdays2').innerHTML = "";
}
function clearForm2() {
zxy.reset();
document.getElementById('opendate').innerHTML = "";
document.getElementById('opexpdate').innerHTML = "";
}
</script>