此代码在 Javascript 中会是什么样子?
What will this code look like in Javascript?
我有问题,我在Jquery写了代码,工人要求不要用。此函数应检查输入是否完整
$('document').ready(function() {
$('#btn').on('click', function() {
$('.registration__labels .rfield').each(function() {
if ($(this).val() == '') {
console.log(2);
$('input[required]').addClass('error');
} else {
console.log(1);
$('input[required]').removeClass('error');
}
});
});
});
这是 Jquery 代码,有效
document.addEventListener('DOMContentLoaded',function validation (){
if(btn.addEventListener("click", function() {
('.registration__labels .rfield').forEach(() => {
if (document.getElementsByClassName('input[type=text]').value == '') {
console.log(2);
(".input[required]").classList.add('error');
}
else {
console.log(1);
(".input[required]").classList.remove('error');
}
}
)}))[validation]});
这是我试图将其翻译成 javascript 但它不起作用。请帮助我
一种方法...
window.addEventListener('DOMContentLoaded', () =>
{
const allRegLabs = document.querySelectorAll('.registration__labels .rfield')
document.querySelector('#btn').onclick = () =>
{
allRegLabs.forEach( el =>
{
let err = el.classList.toggle('error', (el.value === ''))
console.log( (err ? '2':'1' ))
})
}
})
我有问题,我在Jquery写了代码,工人要求不要用。此函数应检查输入是否完整
$('document').ready(function() {
$('#btn').on('click', function() {
$('.registration__labels .rfield').each(function() {
if ($(this).val() == '') {
console.log(2);
$('input[required]').addClass('error');
} else {
console.log(1);
$('input[required]').removeClass('error');
}
});
});
});
这是 Jquery 代码,有效
document.addEventListener('DOMContentLoaded',function validation (){
if(btn.addEventListener("click", function() {
('.registration__labels .rfield').forEach(() => {
if (document.getElementsByClassName('input[type=text]').value == '') {
console.log(2);
(".input[required]").classList.add('error');
}
else {
console.log(1);
(".input[required]").classList.remove('error');
}
}
)}))[validation]});
这是我试图将其翻译成 javascript 但它不起作用。请帮助我
一种方法...
window.addEventListener('DOMContentLoaded', () =>
{
const allRegLabs = document.querySelectorAll('.registration__labels .rfield')
document.querySelector('#btn').onclick = () =>
{
allRegLabs.forEach( el =>
{
let err = el.classList.toggle('error', (el.value === ''))
console.log( (err ? '2':'1' ))
})
}
})