let dataSource = []; menuList.map((item, index) => dataSource.push({ key: item.type, rank: index + 1, text: item.text, type: item.type, icon: item.icon, status: item.status }) ); if you ...
I want to create an array of length 15 where the first five items are the contents of another one-dimensional array, and the following array values are specified by me (such as empty) let arr1 = new Array(5) arr2.map((x)=>{ arr1.unshift(x) }) r...
function duplicates(arr) { var obj = {}; var newArr = []; for (var i in arr){ if(obj[arr[i]]){ obj[arr[i]]PP; } else{ obj[arr[i]]=1; } } ...
<li style="background-image: url(.. .. assets images indexbg1.png);">< li> li{ width: 258px; height: 100px; background-size: 100%; } this code should be okay, right? But the picture (development environment) cannot be...
I just used spark streaming. I have a few questions about checkpoint: There are two types of checkpoint, one for meta for driver and one for data. The manual says that the checkpoint of data will be written only if you use stateful transformation. So...
problem description the environmental background of the problems and what methods you have tried related codes Please paste the code text below (do not replace the code with pictures) window.onload = function () { var hdList = $( .hd-list ...
so far I have found three solutions, none of which will work. do you have any other simple solutions? can be introduced to let IE9 support WebSocket or simply configure it, while does not need to change any server-side scheme < table > < thea...
because axios no longer supports jsonp, I installed the jsonp module, npm i jsonp-- save, in the way of netizens, and then introduced import jsonp from jsonp in one component. I want to request the link address of another website http: rrrrrrk.t...