Js implementations are replaced separately

problem description

put the contents of the array on the horizontal line of the string respectively
arr= [1Magazine 5];
str=" what do you mean _ _ don"t know _"

the environmental background of the problems and what methods you have tried

filling in the blanks wow

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

str1= what are you talking about? 1 5 don"t know 7

Javascript html html5 react.js
Apr.01,2022 
var idx=0;
str = str.replace(/\_+/g,()=>{return arr[idxPP];})


:<strong></strong><br>:


    var arr = [1,5,7];
    var str='_________';
    var newStr = new String()
    str.split("_").filter(i => i).map((v, i) => {
        newStr += v + arr[i]
    })
    console.log(newStr)

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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-64f5-42a3a48-5e5b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-42a3a48-5e5b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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