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Is there a more efficient and elegant way to deal with the data in the array?
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 ...
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How does Javascript create an array of fixed length and filled with fixed content?
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...
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How to remove quotation marks from js key
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;
}
}
...
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e3ae99-445fe.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3ae99-445fe.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?
