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; } } ...
according to the needs of the project, when editing rich text, there is a corresponding button on the side that can be clicked to add fixed-format text at the cursor. such as: in "111111 " when the cursor clicks the button at the end, the text in the...
prompt: could not find main class com intellij idea Main when android studio starts...
recently made a mini application with android version of chrome. The ordinary version (using ur access) has no problem at all, but once mainfest.json is configured (serviceWorker.js is not configured), after homescreen establishes the app icon, the sock...
after the development of the software, our test model is very limited, resulting in some mobile phones being blank in the test. existing customer feedback, for example, Huawei META10 has a problem accessing a certain page, and all the other mobile pho...
are there any good markdown syntax converters? besides showdown, can you specify a class name and id for the converted html element ...