如何解决取消选中复选框时如何更改标签标签的文本
取消选中复选框后,我无法更改标签的文本。
预先感谢您的帮助。
var checkBox_fruit = document.getElementById("fruit");
var label_fruit = document.getElementById("label_fruits");
checkBox_fruit.addEventListener('change',function() {
if (this.checked) {
// Checkbox is checked..
label_fruit.innerHTML = " fruits 1"; ////// its that who works
} else {
// Checkbox is not checked..
label_fruit.innerHTML = " fruits 2"; ////// its that who not works
}
解决方法
您的代码工作正常,您只是忘记添加右括号});
。
观看演示。
var checkBox_fruit = document.getElementById("fruit");
var label_fruit = document.getElementById("label_fruits");
checkBox_fruit.addEventListener('change',function() {
if (this.checked) {
// Checkbox is checked..
label_fruit.innerHTML = " fruits 1"; ////// its that who works
} else {
// Checkbox is not checked..
label_fruit.innerHTML = " fruits 2"; ////// its that who not works
}
});
<input type="checkbox" id="fruit" />
<label id="label_fruits"></label>
,
您最后只需要结束})
。
var checkBox_fruit = document.getElementById("fruit");
var label_fruit = document.getElementById("label_fruits");
checkBox_fruit.addEventListener('change',function () {
if (this.checked) {
// Checkbox is checked..
label_fruit.innerHTML = " fruits 1"; ////// its that who works
} else {
// Checkbox is not checked..
label_fruit.innerHTML = " fruits 2"; ////// its that who not works
}
});
<input type='checkbox' id='fruit'>
<label id='label_fruits'>Fruit</label>
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