1. Use your text editor of IDC to open the application in this falden ch15thest srores 2. Test this application in Chrome by using the Add 5 core botten to add scores te the two listh. Then. click on the Delete Score button to see that it doesn't do anything yet. handler for the Delete Scure butten. A. Code the clichd) event handific for the Delete Scoee button, It should start try perting the index enity us are integer. Than, it should use the splicel method to delete the eleenent and rediplay the list at all thin scores. For now, tharit warry about updating the average score or the list el fhe last thenen mes. 5. Fiun the application, add one or more scores, and tasy the Dilete Scose button. Notice ihar if vou unlir an. index yalust that ise't in the array or a yalue that ing's a number, nothing tappen. a number and has to hit an index value that's in the amay. If ecthet data yalidation ghest faile dieplay a message to the user in the span element that follows the Delete Scere butten. Ihan, test tils thange. Then, call this fisnction from the Clicki) wyent handleas for the Add Score and Delete Scode. bultons tii display thie average score. 8. Repeat the previous siep for the code that gets the last thee scorei. 9. Repeat step 7 for the code that updates the Dom with all wores the arcicirescon, and the lait thien scores. 10. Add code to the click() event handiler for thif Delete Seore button that dears the lidex text hior and working, properily. This exercise gives you a chance to work with arrays as you enhance the Test Scores application. The enhanced version has a new Delete Score button: 1. Use your text editor or IDE to open the application in this folder: ch15\test scores Shbody eploils - teacueorencai 3 At body boey i font-fallyi Arial, welntico, manifiserif; harkeround colart. backeround-cologr width, Eaviex; borders 3px solfd Dolues paddinge 6 Ye lrev; hat colori: Eblasi Aarein botitaen tee; Label ( ofiplays indief-Block; wilther acing inper: 1 ) argan-rightr lewi spas f ) colory Eland, cscore, windex I ) -idithi semi 1. Use your text editor of IDC to open the application in this falden ch15thest srores 2. Test this application in Chrome by using the Add 5 core botten to add scores te the two listh. Then. click on the Delete Score button to see that it doesn't do anything yet. handler for the Delete Scure butten. A. Code the clichd) event handific for the Delete Scoee button, It should start try perting the index enity us are integer. Than, it should use the splicel method to delete the eleenent and rediplay the list at all thin scores. For now, tharit warry about updating the average score or the list el fhe last thenen mes. 5. Fiun the application, add one or more scores, and tasy the Dilete Scose button. Notice ihar if vou unlir an. index yalust that ise't in the array or a yalue that ing's a number, nothing tappen. a number and has to hit an index value that's in the amay. If ecthet data yalidation ghest faile dieplay a message to the user in the span element that follows the Delete Scere butten. Ihan, test tils thange. Then, call this fisnction from the Clicki) wyent handleas for the Add Score and Delete Scode. bultons tii display thie average score. 8. Repeat the previous siep for the code that gets the last thee scorei. 9. Repeat step 7 for the code that updates the Dom with all wores the arcicirescon, and the lait thien scores. 10. Add code to the click() event handiler for thif Delete Seore button that dears the lidex text hior and working, properily. This exercise gives you a chance to work with arrays as you enhance the Test Scores application. The enhanced version has a new Delete Score button: 1. Use your text editor or IDE to open the application in this folder: ch15\test scores Shbody eploils - teacueorencai 3 At body boey i font-fallyi Arial, welntico, manifiserif; harkeround colart. backeround-cologr width, Eaviex; borders 3px solfd Dolues paddinge 6 Ye lrev; hat colori: Eblasi Aarein botitaen tee; Label ( ofiplays indief-Block; wilther acing inper: 1 ) argan-rightr lewi spas f ) colory Eland, cscore, windex I ) -idithi semi