[英]How do I show all items in array in alert box?
這是我的代碼片段:
onclick : function(){ // default button function
form = new Object();
field = new Object();
form.vald = 0;
field.first = $('input[name$="sf_name"]');
field.last = $('input[name$="sf_last"]');
field.title = $('input[name$="sf_title"]');
field.company = $('input[name$="sf_company"]');
field.email = $('input[name$="sf_email"]');
field.phone = $('input[name$="sf_phone"]');
field.key = $('input[name$="sf_key"]');
fields = new Array();
if (!field.first.val()) {
fields.push("First Name");
}
if (!field.last.val()) {
fields.push("Last Name")
}
if (!field.title.val()) {
fields.push("Title")
}
if (!field.company.val()) {
fields.push("Company")
}
if (!field.email.val()) {
fields.push("Email")
}
if (!field.phone.val()) {
fields.push("Phone")
}
console.log(fields);
if (form.valid == 0) {
window.location = "<?php bloginfo('url'); ?>/download?viewkey="+field.key.val();
} else {
alert('Please correct the following fields before continuing: ');
//$('#form_487940 input').css("box-shadow", "inset #BBB 0px 0px 5px");
}
如您所見,任何無效字段都被壓入數組,因此我需要在“請先更正以下字段,然后繼續:”之后的警告框中顯示所有無效字段。
任何幫助將不勝感激,也許我可以通過不同的方式獲得相同的結果。
使用array.join
像這樣:
alert('Please correct the following fields before continuing: \n'
+ fields.join(", "));
會輸出一個逗號分隔的列表,例如
在繼續之前,請更正以下字段:
名,姓,公司
試試下面,
alert('Please correct the following fields before continuing: ' + fields.join());
alert('Please correct the following fields before continuing: ' + fields.join(", "));
您可以使用javascript數組的join方法,但請驗證您的代碼是否更好:
onclick: function() { // default button function
var
form = {
vald: true
},
field = {
'first': $('input[name$="sf_name"]'),
'last': $('input[name$="sf_last"]'),
'title': $('input[name$="sf_title"]'),
'company': $('input[name$="sf_company"]'),
'email': $('input[name$="sf_email"]'),
'phone': $('input[name$="sf_phone"]'),
'key': $('input[name$="sf_key"]')
},
fields = [];
var addValue = function(el, value) {
if (!el.val()) {
form.valid = false;
fields.push(value);
}
};
addValue(field.first, "First Name");
addValue(field.last, "Last Name");
addValue(field.title, "Title");
addValue(field.company, "Company");
addValue(field.email, "Email");
addValue(field.phone, "Phone");
if (form.valid) {
//not recommended to do this, for example could be an input value
window.location = "<?php bloginfo('url'); ?>/download?viewkey=" + field.key.val();
//recommended
//window.location = $('#url').val() + '/download?viewkey=' + field.key.val();
return;
}
var fieldsString = field.join(" \n ");
alert("Please correct the following fields before continuing: \n" + fieldsString);
}
要么:
onclick: function() { // default button function
var
field = {
'First Name': $('input[name$="sf_name"]'),
'Last Name': $('input[name$="sf_last"]'),
'Title': $('input[name$="sf_title"]'),
'Company': $('input[name$="sf_company"]'),
'Email': $('input[name$="sf_email"]'),
'Phone': $('input[name$="sf_phone"]'),
'key': $('input[name$="sf_key"]')
},
fields = [];
$.each(field, function(i, v) {
if (i != 'key' && !v.val()) {
fields.push(i);
}
};
if (fields.length == 0) {
window.location = $('#url').val() + '/download?viewkey=' + field.key.val();
return;
}
var fieldsString = field.join(" \n ");
alert("Please correct the following fields before continuing: \n" + fieldsString);
}
嘗試這個
var field = ['Name Invalid', 'Email Invalid' , 'Phone Invalid'
, 'Address Invalid'];
var alertStr = '';
$.each(field , function(i) {
alertStr += field[i] + '\n'
})
alert(alertStr)
檢查FIDDLE
這將確保每個錯誤都在單獨的行中
如果是這樣,您也可以使用
fields.join('\n');
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