我苦苦寻找的应用循环功能到一个数组,我希望你能帮助我。我有一组名单,我想要将人请求组,并指定这些的地方有空位的地方。 因此,即时寻找在一个表,我会得到: 第1组| NB的人 第2组| NB的人 第3组| NB的人 等等...
因此,我知道我需要一个“如果”条件检查的人比较每组空缺请求,然后分配给它,如果空缺组比预订请求更高。 我知道如何保留变量添加到使用的Array.push功能的数组,但我很努力环和分配到包含2列的阵列...
<label for="groups">Reservation request (1-10):</label>
<div id="reservation">
<input type="number" name="form" id="number" min="1" max='10'>
<br><br>
<button onclick="groups()">Submit</button>
</div>
var myArray = ["Group 1", "Group 2", "Group 3"];
function groups(){
form = number.value;
if (form >=1){
for (var i; i<myArray.length; i++) {
if (myArray[i] > form){
myArray[i] = form;
console.log(myArray);
}
else {alert("no");}
你能帮助我吗?
非常感谢马里昂
如果我理解正确的话,你需要做的是:
假设这一点,easiset的方法是不使用多维阵列(“与两列阵列):
var myArray = [0,0,0];
function groups() {
var form = document.getElementById('number').value;
if (form >=1) {
for (var i; i<myArray.length; i++) {
if (myArray[i] < 10 - form) {
myArray[i] += form;
return;
}
}
myArray.push(form); // this will only happen if "return" up there never happened
}
else {alert("no");
}
如果你想该组名/多维数组,你可以做这样的:
var myArray = [['Group 0',0], ['Group 1',0], ['Group 2',0]];
function groups() {
var form = document.getElementById('number').value;
if (form >=1) {
for (var i; i<myArray.length; i++) {
if (myArray[i][1] < 10 - form) { // myArray[i][1] is the number of reservations in group i, myArray[i][0] would be the group's name
myArray[i][1] += form;
return;
}
}
myArray.push(['Group ' + myArray.length, form); // this will only happen if "return" up there never happened
}
else {alert("no");
}
为了更好的可读性,你可以用里面的myArray的反而更数组结构化对象:
var myArray = [{name:'Group 0',reserved:0}, {name:'Group 1',reserved:0}, {name:'Group 2',reserved:0}];
function groups() {
var form = document.getElementById('number').value;
if (form >=1) {
for (var i; i<myArray.length; i++) {
if (myArray[i].reserved < 10 - form) { // myArray[i].reserved is the number of reservations in group i, myArray[i].name would be the group's name
myArray[i].reserved += form;
return;
}
}
myArray.push({name:'Group ' + myArray.length, reserved:form); // this will only happen if "return" up there never happened
}
else {alert("no");
}