如何使用JavaScript检查/不检查复选框?


当前回答

function setCheckboxValue(checkbox,value) {
    if (checkbox.checked!=value)
        checkbox.click();
}

其他回答

使用vanilla js:

//for one element: 
document.querySelector('.myCheckBox').checked = true  //will select the first matched element
document.querySelector('.myCheckBox').checked = false//will unselect the first matched element

//for multiple elements:
for (const checkbox of document.querySelectorAll('.myCheckBox')) {
//iterating over all matched elements

checkbox.checked = true //for selection
checkbox.checked = false //for unselection
}
<script type="text/javascript">
    $(document).ready(function () {
        $('.selecctall').click(function (event) {
            if (this.checked) {
                $('.checkbox1').each(function () {
                    this.checked = true;
                });
            } else {
                $('.checkbox1').each(function () {
                    this.checked = false;
                });
            }
        });

    });

</script>

我同意目前的答案,但在我的情况下,它不起作用,我希望这段代码在未来能帮助到某人:

// check
$('#checkbox_id').click()

我们可以这样选中一个粒子复选框,

$('id of the checkbox')[0].checked = true

然后取消检查,

$('id of the checkbox')[0].checked = false

检查:

document.getElementById("id-of-checkbox").checked = true;

取消:

document.getElementById("id-of-checkbox").checked = false;