在Javascript中循环一组模态

问题描述 投票:-3回答:1

我在循环以下函数时遇到问题。当为每个1,2,3改变i ='x'时它起作用......然而,当试图为'i'循环时,它变得没有响应。我觉得有一些明显的东西我不见了!

var i=1;
var modal = [];
var btn = [];
var span = [];
//for(i=1;i<5;i++)
//{
modal[i]= document.getElementById('challenge'+i+'Modal');
btn[i] =document.getElementById("challenge"+i);
span[i] = document.getElementById('challenge'+i+'Close');


btn[i].onclick = function() {
  modal[i].style.display = "block";
}

span[i].onclick = function() {
  modal[i].style.display = "none";
}

window.onclick = function(event) {
  if (event.target == modal[i]) {
    modal[i].style.display = "none";
  }
}
//}
javascript arrays loops
1个回答
0
投票

感谢@epascarello指针,这是解决方案:

var i;
var modal = [];
var btn = [];
var span = [];

function open(i) {
    return function() {
      modal[i].style.display = "block";
    }
}
function closex(i) {
    return function() {
      modal[i].style.display = "none";
    }
}
function close(i) {
    return function(event) {
      if (event.target == modal[i]) {
        modal[i].style.display = "none";
      }
    }
}

for(i=1;i<3;i++)
{
    modal[i]= document.getElementById('challenge'+i+'Modal');
    btn[i] =document.getElementById("challenge"+i);
    span[i] = document.getElementById('challenge'+i+'Close');

    // When the user clicks the button, open the modal 
    btn[i].onclick = open(i);

    // When the user clicks on <span> (x), close the modal
    span[i].onclick = closex(i);
    // When the user clicks anywhere outside of the modal, close it
    window.onclick = close(i);
}
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