google spreadsheet - Set colors at once on a range of cells -


setting colors of cells 1 1 extremely slow. advised assigning array range. read , there refered following sample. can't work doesn't me.

var cell = sheet.getrange('a1'); var colors = new array(100); (var y = 0; y < 100; y++) {   xcoord = xmin;   colors[y] = new array(100);   (var x = 0; x < 100; x++) {     colors[y][x] = getcolorfromcoordinates(xcoord, ycoord);     xcoord += xincrement;   }   ycoord -= yincrement; } sheet.getrange(1, 1, 100, 100).setbackgroundcolors(colors);

my piece of code following , ends message (error): cannot convert array object[[]], pointing @ last line.

function tabelmarkeren() {   var selection = spreadsheetapp.getactivespreadsheet().getrangebyname("proef") // 6 3;   var colors = [];    (var row = 1; row <= selection.getnumrows(); ++row) {     var cell = selection.getcell(row, 1);     if (cell.isblank()) {   colors[row, 1] = "#86d8b6"; }// if else {   colors[row, 1] = "c4c4a4";   }// else   colors[row, 2] = "blue";   colors[row, 3] = "green"; }// spreadsheetapp.getactivespreadsheet(). getrangebyname("proef").setbackgrounds(colors); }

when use browser.msgbox . . show me values array. ok. setbackgroundcolors wants object , not array.

the setbackgrounds expect value in [][] , passing values in []. refer below code.

function tabelmarkeren() {     var selection = spreadsheetapp.getactivespreadsheet().getrangebyname("proef") // 6 3;     var finalcolors = [];     (var row = 1; row <= selection.getnumrows(); ++row) {         var colors = [];         var cell = selection.getcell(row, 1);         if (cell.isblank()) {             colors[row, 1] = "#86d8b6";         } // if         else {             colors[row, 1] = "c4c4a4";         } // else         colors[row, 2] = "blue";         colors[row, 3] = "green";         finalcolors.push(colors)     } //     logger.log(colors)     spreadsheetapp.getactivespreadsheet().getrangebyname("proef").setbackgrounds(finalcolors); }

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