[英]How to get form data with multiple select, similar to jquery val?
我致力于解决 append 表单数据(输入,select,textarea)到 FormData。 我有多个 select 的问题。 Select 值应该类似于 jquery.val() - 如果选择了多个选项,则为数组。
function getFormData(formid){
var form = document.getElementById(formid);
let formdata = {};
Array.from(form.querySelectorAll('input, select, textarea'))
.filter(element => element.name)
.forEach(element => {
formdata[element.name] = element.type === 'checkbox' ? element.checked : element === 'select' ? element.map(option.selected => option.value) : element.value;
});
return formdata;
}
我将不胜感激。
这有效:
function getFormData(formid){
var form = document.getElementById(formid);
let formdata = {};
Array.from(form.querySelectorAll('input, select, textarea'))
.filter(element => element.name)
.forEach(element => {
if(element.type === 'checkbox'){
formdata[element.name] = element.checked;
} else if(element.options) {
var selected = [...element.selectedOptions].map(option => option.value);
//var selected = [...element.options].filter(option => option.selected).map(option => option.value);
if (selected.length>1){
formdata[element.name] = selected;
} else {
formdata[element.name] = element.value;
}
} else {
formdata[element.name] = element.value;
}
});
return formdata;
}
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