javascript - 如何使用JavaScript以编程方式设置选择框元素的值？(How do I programmatically set the value of a select box element using JavaScript?)

Question

I have the following HTML <select> element:(我有以下HTML <select>元素：)

<select id="leaveCode" name="leaveCode"> <option value="10">Annual Leave</option> <option value="11">Medical Leave</option> <option value="14">Long Service</option> <option value="17">Leave Without Pay</option> </select> Using a JavaScript function with the leaveCode number as a parameter, how do I select the appropriate option in the list?(使用以leaveCode数字作为参数的JavaScript函数，如何在列表中选择适当的选项？)   ask by brasskazoo translate from so

Answer 1

You can use this function:(您可以使用此功能：)

selectElement('leaveCode', '11') function selectElement(id, valueToSelect) { let element = document.getElementById(id); element.value = valueToSelect; }