button1Toggle()
函数似乎不起作用。按钮中的文本不会改变。找不到错误。
function button1Toggle() {
if (document.myform.button1.value == "Mute") {
document.myform.button1.value = "Unmute";
} else {
document.myform.button1.value = "Mute";
}
}
<div>Tablet</div><br>
<form name ="myform">
<input type="button" name="button1" id="button1" value="Mute" onclick="button1Toggle()">
</form>
最佳答案
也许您还有另一个具有相同 id 的按钮?
尝试 -
function button1Toggle(btn) {
if (btn.value == "Mute") {
btn.value = "Unmute";
} else {
btn.value = "Mute";
}
}
<div>Tablet</div><br>
<form name ="myform">
<input type="button" name="button1" id="button1" value="Mute" onclick="button1Toggle(this)">
</form>
关于javascript - 如何正确使用按钮切换功能,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26696501/