computer science

Use the attached html file and images folder for the exam. You can see the output of theattached code in below image:AddendumImagsClickother div'Initially you need to hide the first table all div's, like shown in the output belowWeb Programming Lab Eun$)$S slidideDo the same with other two "Show$/$Hide$"$ buttonsWeb Prgramming Lab EumCountry Flag" button to slide down the "cntryDiv" and makeCheck the output when the user clicks "Show$/$Hide Country Flag"Web Programming Lab EumThe user will enter the country name in the country text field and clicks on show buttonon "Dark$/$Light$"$ button it will toggle the background color of that to black $($usetoggleClass method for this task$).$Do the above steps with Colors and Footballer section also.Colors images are $($Red$,$ Yellow, Green, Black, Blue$]$Footballer images are $[$Karim$,$ Ronaldo, Messi, Neymar, MoSalah$)$wile beloWdy$2$ x$=$Web Prgraming Lah Fum$)$the image of any section its textfield name will be added to theThe simplest central finite difference approximation for $2$nd order derivatives at x $=$ x uses threepoints $-$ x and the two adjacent points x$(-$j and xi$+1-$Web Prgraming Lah Exam $3$interviews: Questions, Analysis & Solutionsdx$--3$f$+$fetdy xxRemember, f $=$ f$($x$)$ and x$+$j $=$X$-$ jAx where x are points$/$nodes on the mesh, Ax is thespacing between the points$/$nodes on the mesh andj is an integer indicating how far apart thepoints$/$nodes are.The leading term in the truncation error of the above approximation is of the order Ax$,$ i$.$e$.,$ theerror is proportional to Ax$^2.$ For an approximation with higher accuracy $($assuming Ax is smalland less than l $),$ we nced more points instead of the $3$ above. The following is a central finitedifference approximation with the truncation error of the order Ax$.$I $--2+16$fi$-$s$-30$f$,+16$fi$41+16$fen$-$ fozAr$2$Likewise, for $1"$ order derivatives these would respectively be:d$--8$f$-1+8$fi$+1-$fu$2+$netglytndex;$12$Ax$224$xtarifices alitrie aapyImages$12$Ax$208292$it sgly uglyws$[$nextlytrdre $-]$:Tetim ugiy:ta this code, te lacal variabiey indos$2$ ird$$re$)$ nd indes$ sre the:The aond salutinn is mom ffcint Inumt$100\%$user clicksFanepal fes Ci ip$2,3\mathrm{.}43,6..$BoubaCHash Tables for Characterswpui alp inks, such as $14$Tugy nuber,gindeues of T$.$ I,n time bese it nly tbunsiise Th wcemsta hrctin t: Srd te frst daraztir na strg tet any apers on FV tupkbentut iathe charchr fwtei enpu: s$"9$s