Write a function that searches the string $($passed as first argument$)$ for the character $($passed as second argument$)$ and changes the case for all instances of that char found in string. The function should return the new string as shown in example below: function$($abRA$,$a$)//$ returns $$AbRa$$Assignment$-2(2).$pdf $+$ X A file:$///$C:$/$Users$/$bhati$/$OneDrive$/$Desktop$/$Assignment$-2(2).$pdf $5$ of $6$ O $+$ Fit to page IL Page view AV Read aloud $1$ Add notes $6$ String built$-$in functions endsWith$()$ includes$()$ indexof$)$ lastIndexOf$()$ localeCompare$()$ match$()$ repeat$)$ replace$()$ search$()$ slice $()$ split$()$ startsWith$()$ substr$()$ substring$()$ toLocaleLowerCase$()$ toLocaleUppercase $()$ toLowerCase$()$ toString$()$ toUpperCase$()$ trim$()$ valueof$()$ trimLeft and trimRight unshift $()$ valueof$()$ Array built$-$in functions concat$()$ copywithin$()$ every$()$ XO$10$ fill$()$ filter$()$ find$()$ findIndex$()$ forEach$()$ indexOf$()$ isArray $()$ join$()$ lastIndexOf$()$ map$)$ pop$)$ push$()$ reduce $()$ reduceRight$()$ reverse$()$ shift slice some $()$ sort $()$ splice $()$ toString$()$ Type here to search CX $($ o C$)$ ENG $7$:$21$ AM $2020-07-31$