User:机智的小鱼君/common.js

mw.loader.load('https://common.wjghj.cn/js/InPageEdit-v2');


function getRandomArrayElements(arr, count) {
    var shuffled = arr.slice(0), i = arr.length, min = i - count, temp, index;
    while (i-- > min) {
        index = Math.floor((i + 1) * Math.random());
        temp = shuffled[index];
        shuffled[index] = shuffled[i];
        shuffled[i] = temp;
    }
    return shuffled.slice(min);
}

function randomBg() {
  new mw.Api().get({
    action: 'parse',
    page: 'MediaWiki:Custom-RandomBackground/List',
    prop: 'wikitext',
    format: 'json'
  }).done(function(data) {
    var wikitext = data.parse.wikitext['*'],
    json = JSON.parse(wikitext),
    item = getRandomArrayElements(json.list,1),
    // item = json.list[0],
    img = item[0].img,
    des = item[0].des;
 
    $('#firstHeading').after('<br>arr: '+ JSON.stringify(item) +'<br>image url: url(' + img + ')<br>Description: '+des);
 
  });
}
$(function(){
randomBg();
$('#firstHeading').click(randomBg)
});