How to select all check boxes in JS and select all check boxes in js

How to select all check boxes in JS and select all check boxes in js

The Code is as follows:

<? Include_once ("inc/auth. inc. php"); include_once ("inc/utility_all.php"); include_once ("inc/utility_org.php"); $ connstatus = ($ connstatus )? True: false; if (! Isset ($ TYPE) $ TYPE = "0"; $ ITEMS_IN_PAGE = 10; if (! Isset ($ start) | $ start = "") $ start = 0; $ HTML_PAGE_TITLE = _ ("File Management"); include_once ("inc/header. inc. php ");?> <Script> function open_file (FILE_ID) {URL = "read_file.php? FILE_ID = "+ FILE_ID; myleft = (screen. availWidth-500)/2; mytop = 150 mywidth = 550; myheight = 300; window. open (URL, "read_file", "height =" + myheight + ", width =" + mywidth + ", status = 1, toolbar = no, menubar = no, location = no, scrollbars = yes, top = "+ mytop +", left = "+ myleft +", resizable = yes ");} function delete_file (FILE_ID, CUR_PAGE) {msg = '<? = _ ("Are you sure you want to destroy this file? ")?> '; If (window. confirm (msg) {URL = "delete. php? FILE_ID = "+ FILE_ID +" & CUR_PAGE = "+ CUR_PAGE; window. location = URL ;}} function delete_all () {delete_str = ""; for (I = 0; I <document. getElementsByName ("file_select "). length; I ++) {el = document. getElementsByName ("file_select "). item (I); if (el. checked) {val = el. value; delete_str + = val + "," ;}} if (I = 0) {el = document. getElementsByName ("file_select"); if (el. checked) {val = el. value; delete_str + = val + ",";}} If (delete_str = "") {alert ("<? = _ ("To destroy a file, select at least one of them. ")?> "); Document. form1.reset (); return;} msg = '<? = _ ("Are you sure you want to destroy the selected files? ")?> '; If (window. confirm (msg) {url = "./delete_all.php? DELETE_STR = "+ delete_str +" & PAGE_START = <? = $ PAGE_START?> "; Window. location = url;} function order_by (field, asc_desc) {window. location =" index1.php? CUR_PAGE = <? = $ CUR_PAGE?> & Amp; TYPE = <? = $ TYPE?> & FIELD = "+ field +" & ASC_DESC = "+ asc_desc;} function file_troop (type) {document. form1.action =" troop. php? CUR_PAGE = <? = $ CUR_PAGE?> & FIELD = <? = $ FIELD?> & ASC_DESC = <? = $ ASC_DESC?> "; Document.form1.tar get = '_ self'; document. form1.submit ();} function check_all () {for (I = 0; I <document. getElementsByName ("file_select "). length; I ++) {if (document. getElementsByName ("allbox") [0]. checked) document. getElementsByName ("file_select "). item (I ). checked = true; else document. getElementsByName ("file_select "). item (I ). checked = false;} if (I = 0) {if (document. getElementsByName ("allbox") [0]. checked) Document. getElementsByName ("file_select "). checked = true; else document. getElementsByName ("file_select "). checked = false ;}} function change_roll () {delete_str = ""; for (I = 0; I <document. getElementsByName ("file_select "). length; I ++) {el = document. getElementsByName ("file_select "). item (I); if (el. checked) {val = el. value; delete_str + = val + "," ;}} if (I = 0) {el = document. getElementsByName ("file_select"); if (El. checked) {val = el. value; delete_str + = val + "," ;}} var myselect = document. getElementById ("SROLL_ID"); var index = myselect. selectedIndex; if (delete_str = "") {alert ("<? = _ ("Select at least one of the exam papers. ")?> "); Document. form1.reset (); return;} roll_id = myselect. options [index]. value; url ="./change_roll.php? DELETE_STR = "+ delete_str +" & ROLL_ID = "+ roll_id +" & PAGE_START = <? = $ PAGE_START?> "; Location = url;} function check_one (el) {if (! El. checked) document. getElementsByName ("allbox") [0]. checked = false;} function shenpi_all () {delete_str = ""; for (I = 0; I <document. getElementsByName ("file_select "). length; I ++) {el = document. getElementsByName ("file_select "). item (I); if (el. checked) {val = el. value; delete_str + = val + "," ;}} if (I = 0) {el = document. getElementsByName ("file_select"); if (el. checked) {val = el. value; delete_str + = val + ",";}} If (delete_str = "") {alert ("<? = _ ("To approve a file, select at least one of them. ")?> "); Document. form1.reset (); return;} msg = '<? = _ ("Are you sure you want to approve the selected file? ")?> '; If (window. confirm (msg) {// alert (delete_str); url = "./shenpi_all.php? SHENPI_STR = "+ delete_str +" & start = <? = $ Start?> "; Window. location = url ;}</script> <body class =" bodycolor "><? // $ Query = "SELECT count (*) from RMS_FILE_NEW, RMS_ROLL, RMS_ROLL_ROOM where RMS_FILE_NEW.ROLL_ID = RMS_ROLL.ROLL_ID and RMS_ROLL.ROOM_ID = between and between = '". $ _ SESSION ["LOGIN_USER_ID"]. "'and RMS_FILE_NEW.DEL_USER ='' and SHENPISTATUS = '1' "; $ query =" SELECT count (*) from RMS_FILE_NEW where RMS_FILE_NEW.shenpiren = '". $ _ SESSION ["LOGIN_USER_ID"]. "'and RMS_FILE_NEW.DEL_USER = ''And SHENPISTATUS = '1'"; // echo $ query. "<br>"; if ($ TYPE! = "0") $ query. = "and CATALOG_NO = '$ type'"; // echo $ query. "<br>"; $ cursor = exequery (TD: conn (), $ query, $ connstatus); $ RMS_FILE_NEW_COUNT = 0; if ($ ROW = mysql_fetch_array ($ cursor) $ RMS_FILE_NEW_COUNT = $ ROW [0]; if ($ RMS_FILE_NEW_COUNT = 0) {?> <Table border = "0" width = "100%" cellspacing = "0" cellpadding = "3" class = "small"> <tr> <td class = "Big">  /Static/images/notify_open.gif "align =" absmiddle "> <span class =" big3 "> <? = _ ("Pending approval document")?> </Span> </td> </tr> </table> <br> <? Message ("", _ ("no file to be approved"); exit ;}?> <Table border = "0" width = "100%" cellspacing = "0" cellpadding = "3" class = "small"> <tr> <td class = "Big">  /Static/images/notify_open.gif "align =" absmiddle "> <span class =" big3 "> <? = _ ("File Management pending approval")?> </Span> </td> <td align = "right" valign = "bottom" class = "small1"> <? = Sprintf (_ ("% s total"), '<span class = "big4">'. $ RMS_FILE_NEW_COUNT. '</span>')?> </Td> <td align = "right" valign = "bottom" class = "small1"> <? = Page_bar ($ start, $ RMS_FILE_NEW_COUNT, $ ITEMS_IN_PAGE)?> </Td> </tr> </table> <? If ($ ASC_DESC = "") $ ASC_DESC = "1"; // if ($ FIELD = "") // $ FIELD = "FILE_CODE "; // =========================================== show published files ======== ======================================= // $ query = "SELECT * from RMS_FILE_NEW, RMS_ROLL, RMS_ROLL_ROOM where RMS_FILE_NEW.ROLL_ID = RMS_ROLL.ROLL_ID and RMS_ROLL.ROOM_ID = RMS_ROLL_ROOM.ROOM_ID and RMS_FILE_NEW.shenpiren = '". $ _ SESSION ["LOGIN_USER_ID"]. "'and RMS_FILE_NEW.DEL_USER ='' and SHENPI STATUS = '1' "; $ query =" SELECT * from RMS_FILE_NEW where RMS_FILE_NEW.shenpiren = '". $ _ SESSION ["LOGIN_USER_ID"]. "'and RMS_FILE_NEW.DEL_USER ='' and SHENPISTATUS = '1' "; // echo $ query1." <br> "; if ($ FIELD =") {$ query. = "order by RMS_FILE_NEW.ADD_TIME DESC, RMS_FILE_NEW.MOD_TIME DESC";} else {$ query. = "order by $ FIELD"; if ($ ASC_DESC = "1") $ query. = "desc"; else $ query. = "asc";} // echo $ query; $ quer Y. = "limit $ start, $ ITEMS_IN_PAGE"; if ($ ASC_DESC = "0") $ ORDER_IMG = " "; else $ ORDER_IMG = " ";?> <Table class = "TableList" width = "100%"> <form action = "? "Method =" post "name =" form1 "> <tr class =" TableHeader "> <td nowrap align =" center "> <input type =" checkbox "name =" allbox ""id =" allbox_for "onClick =" check_all (); "> </td> <td nowrap align =" center "onClick =" order_by ('file _ Code', '<? If ($ FIELD = "FILE_CODE") echo 1-$ ASC_DESC; else echo "1";?> '); "Style =" cursor: hand; "> <u> <? = _ ("File number")?> </U> <? If ($ FIELD = "FILE_CODE") echo $ ORDER_IMG;?> </Td> <td nowrap align = "center" onClick = "order_by ('file _ title', '<? If ($ FIELD = "FILE_TITLE") echo 1-$ ASC_DESC; else echo "1";?> '); "Style =" cursor: hand; "> <u> <? = _ ("File title")?> </U> <? If ($ FIELD = "FILE_TITLE") echo $ ORDER_IMG;?> </Td> <td nowrap align = "center"> <? = _ ("Confidentiality")?> </Td> <td nowrap align = "center" onClick = "order_by ('send _ part', '<? If ($ FIELD = "SEND_UNIT" | $ FIELD = "") echo 1-$ ASC_DESC; else echo "1";?> '); "Style =" cursor: hand; "> <u> <? = _ ("Issuer")?> </U> <? If ($ FIELD = "SEND_UNIT" | $ FIELD = ") echo $ ORDER_IMG;?> </Td> <td nowrap align = "center" onClick = "order_by ('send _ date', '<? If ($ FIELD = "SEND_DATE") echo 1-$ ASC_DESC; else echo "1";?> '); "Style =" cursor: hand; "> <u> <? = _ ("Posting time")?> </U> <? If ($ FIELD = "SEND_DATE") echo $ ORDER_IMG;?> </Td> <td nowrap align = "center"> <? = _ ("File")?> </Td> <td nowrap align = "center"> <? = _ ("Creator")?> </Td> <td nowrap align = "center"> <? = _ ("Operation")?> </Td> </tr> <? $ Cursor = exequery (TD: conn (), $ query, $ connstatus); $ RMS_FILE_NEW_COUNT = 0; while ($ ROW = mysql_fetch_array ($ cursor )) {$ RMS_FILE_NEW_COUNT ++; $ FILE_ID = $ ROW ["FILE_ID"]; $ FILE_CODE = $ ROW ["FILE_CODE"]; $ FILE_TITLE = $ ROW ["FILE_TITLE"]; $ SECRET = $ ROW ["SECRET"]; $ SEND_UNIT = $ ROW ["SEND_UNIT"]; $ SEND_DATE = $ ROW ["SEND_DATE"]; $ URGENCY = $ ROW ["URGENCY"]; $ ROLL_ID = $ ROW ["ROLL_ID"]; $ ADD_USER = $ ROW ["ADD_USER"]; $ ADD_TIME = $ ROW ["ADD_TIME"]; $ query1 = "SELECT * from RMS_ROLL where ROLL_ID = '$ ROLL_ID'"; $ cursor1 = exequery (TD: conn (), $ query1 ); if ($ ROW = mysql_fetch_array ($ cursor1) {$ ROLL_NAME = $ ROW ["ROLL_NAME"]; $ STATUS = $ ROW ["STATUS"];} else {$ ROLL_NAME = "";} if ($ SEND_DATE = '2017-00-00 ') $ SEND_DATE = ''; $ FILE_TITLE = htmlspecialchars ($ FILE_TITLE ); $ SECRET = get_code_name ($ SECRET, "RMS_SECRET"); $ URGENCY = get_code_name ($ URGENCY, "RMS_URGENCY"); if ($ RMS_FILE_NEW_COUNT % 2 = 1) $ TableLine = "TableLine1"; else $ TableLine = "TableLine2";?> <Tr class = "<? = $ TableLine?> "> <Td nowrap align =" center "> <? If ($ STATUS! = 1) {?> <Input type = "checkbox" name = "file_select" value = "<? = $ FILE_ID?> "OnClick =" check_one (self); "> </td> <?} Else echo "";?> <Td align = "center" nowrap> <a href = "javascript: open_file ('<? = $ FILE_ID?> '); "> <? = $ FILE_CODE?> </A> </td> <td align = "center"> <a href = "javascript: open_file ('<? = $ FILE_ID?> '); "> <? = $ FILE_TITLE?> </A> </td> <td nowrap align = "center"> <? = $ SECRET?> </Td> <td nowrap align = "center"> <? = $ SEND_UNIT?> </Td> <td nowrap align = "center"> <? = $ SEND_DATE?> </Td> <td nowrap align = "center"> <? = $ ROLL_NAME?> </Td> <td nowrap align = "center"> <? = Substr (getUserNameById ($ ADD_USER), 0,-1);?> </Td> <td nowrap align = "center"> <? If ($ STATUS! = 1) {?> <A href = "modify. php? FILE_ID = <? = $ FILE_ID?> & Amp; start = <? = $ Start?> "> <? = _ ("Approval")?> </A> <?} Else echo _ ("file closed");?> <A href = "javascript: delete_file ('<? = $ FILE_ID?> ',' <? = $ CUR_PAGE?> '); "> <? = _ ("Destroy")?> </A> </td> </tr> <? }?> <Tr class = "TableControl"> <td colspan = "9"> <B> <? = _ ("File operation:")?> </B> <input type = "button" value = "<? = _ ("Batch destruction")?> "Class =" SmallButton "onClick =" delete_all () "title =" <? = _ ("Destroy selected files")?> "> <Input type =" button "value =" <? = _ ("Batch approval")?> "Class =" SmallButton "onClick =" shenpi_all () "title =" <? = _ ("Batch approve selected files")?> "> </Td> </tr> </form> </table> </body> 
The above section describes how to select all the check boxes in Javascript. I hope it will be helpful to you. If you have any questions, please leave a message and I will reply to you in a timely manner. Thank you very much for your support for the help House website!