You can customize the font style using code such as the following:
You can customize the font by splitted font properties using code such as the following:
You can also set text decorations, such as underline, doubleUnderline, lineThrough, overline, accountingUnderline, and doubleAccountingUnderline.
Accounting underline differs from normal underline: for text cells the underline spans the full column width, while for number cells it matches the text width. You can set it like this:
You can set the font alignment like this:
You can set the font color and cell background color like this:
You can set the font format, such as wordwrap, indent, shrinkToFit, etc.
function setSettings(spread) {
let sheet = spread.getActiveSheet();
let activeCell = sheet.getCell(sheet.getActiveRowIndex(), sheet.getActiveColumnIndex());
document.getElementById('font').value = activeCell.font();
document.getElementById('fontStyle').value = fontStyleOrFontWeightSpreadValueToCssValue(activeCell.fontStyle());
document.getElementById('fontWeight').value = fontStyleOrFontWeightSpreadValueToCssValue(activeCell.fontWeight());
let fontSize = activeCell.fontSize();
if (fontSize) {
let fontSizeDigit = parseFloat(fontSize);
let fontSizeUnit = fontSize.substring(('' + fontSizeDigit).length);
document.getElementById('fontSize').value = fontSizeDigit;
document.getElementById('fontSizeUnit').value = fontSizeUnit;
} else {
document.getElementById('fontSize').value = '';
document.getElementById('fontSizeUnit').value = 'px';
}
document.getElementById('fontFamily').value = activeCell.fontFamily() || '';
}
function fontStyleOrFontWeightCssValueToSpreadValue(value) {
// transfer css font style/weight to spread font style/weight
if (value === '') {
return undefined;
} else if (value === 'normal') {
return null;
} else {
return value;
}
}
function fontStyleOrFontWeightSpreadValueToCssValue(value) {
// transfer spread font style/weight to css font style/weight
if (value === undefined) {
return '';
} else if (value === null) {
return 'normal';
} else {
return value;
}
}
function setFontToSelectedRanges(spread, setFunc) {
let activeSheet = spread.getActiveSheet();
let selections = activeSheet.getSelections();
if (!selections) {
return;
}
activeSheet.suspendPaint();
for (let i = 0; i < selections.length; i++) {
let selection = selections[i];
if (!selection) {
return;
}
for (let r = 0; r < selection.rowCount; r++) {
for (let c = 0; c < selection.colCount; c++) {
let cell = activeSheet.getCell(r + selection.row, c + selection.col);
setFunc(cell);
}
}
}
activeSheet.resumePaint();
}
function setFontBySplittedFont(spread) {
let fontStyle = document.getElementById('fontStyle').value,
fontWeight = document.getElementById('fontWeight').value,
fontFamily = document.getElementById('fontFamily').value,
fontSizeDigit = document.getElementById('fontSize').value,
fontSizeUnit = document.getElementById('fontSizeUnit').value, fontSize;
if (fontSizeDigit) {
fontSize = fontSizeDigit + (fontSizeUnit ? fontSizeUnit : 'px');
}
setFontToSelectedRanges(spread, (cell) => {
cell.fontStyle(fontStyleOrFontWeightCssValueToSpreadValue(fontStyle));
cell.fontWeight(fontStyleOrFontWeightCssValueToSpreadValue(fontWeight));
cell.fontSize(fontSize);
cell.fontFamily(fontFamily);
});
setSettings(spread);
}
function setFontByFont(spread) {
let font = document.getElementById('font').value;
setFontToSelectedRanges(spread, (cell) => {
cell.font(font);
});
setSettings(spread);
}
function setStyles(sheet) {
sheet.suspendPaint();
//Font
sheet.getCell(2, 0).font('italic normal 12px Mangal');
sheet.getCell(4, 0).font('normal bold 15px Arial Black');
sheet.getCell(6, 0).font('normal normal 18px Georgia');
//FontFamily
sheet.getCell(2, 1).fontFamily('Mangal');
sheet.getCell(4, 1).fontFamily('Arial Black');
sheet.getCell(6, 1).fontFamily('Georgia');
//FontSize
sheet.getCell(2, 2).fontSize('12px');
sheet.getCell(4, 2).fontSize('20px');
sheet.getCell(6, 2).fontSize('28px');
//Bold
sheet.getCell(2, 3).fontWeight('bold');
sheet.getCell(4, 3).fontWeight('normal');
//Italic
sheet.getCell(2, 4).fontStyle('italic');
sheet.getCell(4, 4).fontStyle('normal');
//Line
sheet.getCell(2, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.underline);
sheet.getCell(4, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.doubleUnderline);
sheet.getCell(6, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.lineThrough);
sheet.getCell(8, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.overline);
//Accounting Underline
sheet.getCell(10, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.accountingUnderline);
sheet.setValue(12, 5, 123.45);
sheet.getCell(12, 5).formatter("$#,##0.00");
sheet.getCell(12, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.accountingUnderline);
sheet.getCell(14, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.doubleAccountingUnderline);
sheet.setValue(16, 5, 456.78);
sheet.getCell(16, 5).formatter("$#,##0.00");
sheet.getCell(16, 5).textDecoration(GC.Spread.Sheets.TextDecorationType.doubleAccountingUnderline);
//Comments for accounting underline cells
var commentTextAcct = sheet.comments.add(10, 5, "Text value: accounting underline spans the full column width.");
commentTextAcct.displayMode(GC.Spread.Sheets.Comments.DisplayMode.hoverShown);
var commentNumAcct = sheet.comments.add(12, 5, "Number value: accounting underline width matches the text width.");
commentNumAcct.displayMode(GC.Spread.Sheets.Comments.DisplayMode.hoverShown);
var commentTextDblAcct = sheet.comments.add(14, 5, "Text value: double accounting underline spans the full column width.");
commentTextDblAcct.displayMode(GC.Spread.Sheets.Comments.DisplayMode.hoverShown);
var commentNumDblAcct = sheet.comments.add(16, 5, "Number value: double accounting underline width matches the text width.");
commentNumDblAcct.displayMode(GC.Spread.Sheets.Comments.DisplayMode.hoverShown);
//Align
sheet.getCell(2, 6).vAlign(GC.Spread.Sheets.VerticalAlign.top).hAlign(GC.Spread.Sheets.HorizontalAlign.left);
sheet.getCell(4, 6).vAlign(GC.Spread.Sheets.VerticalAlign.center).hAlign(GC.Spread.Sheets.HorizontalAlign.center);
sheet.getCell(6, 6).vAlign(GC.Spread.Sheets.VerticalAlign.bottom).hAlign(GC.Spread.Sheets.HorizontalAlign.right);
//Forecolor
sheet.getCell(2, 7).foreColor('#F7A711');
sheet.getCell(4, 7).foreColor('#82BC00');
sheet.getCell(6, 7).foreColor('#C3C3C3');
//backgroundColor
sheet.getCell(2, 8).backColor('#F7A711');
sheet.getCell(4, 8).backColor('#82BC00');
sheet.getCell(6, 8).backColor('#C3C3C3');
//WordWrap
sheet.getCell(2, 9).wordWrap(true);
sheet.getCell(3, 9).wordWrap(true);
//Indent
sheet.getCell(2, 10).textIndent(1);
sheet.getCell(4, 10).textIndent(3);
sheet.getCell(6, 10).textIndent(-2);
//ShrinkToFit
sheet.getCell(2, 11).shrinkToFit(true).vAlign(GC.Spread.Sheets.VerticalAlign.center);
sheet.getCell(4, 11).shrinkToFit(true).vAlign(GC.Spread.Sheets.VerticalAlign.bottom);
sheet.resumePaint();
}
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById('ss'));
var sheet = spread.getActiveSheet();
sheet.fromJSON(jsonData);
setStyles(sheet);
setSettings(spread);
bindEvents(spread);
};
function bindEvents(spread) {
document.getElementById("set-splitted-font").addEventListener('click', function () {
setFontBySplittedFont(spread);
});
document.getElementById("set-font").addEventListener('click', function () {
setFontByFont(spread);
});
spread.bind(GC.Spread.Sheets.Events.SelectionChanged, function () {
setSettings(spread);
});
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/en/purejs/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/en/purejs/node_modules/@mescius/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script>
<script src="data.js" type="text/javascript"></script>
<script src="app.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div class="sample-tutorial">
<div id="ss" class="sample-spreadsheets"></div>
<div class="options-container">
<div class="option-card">
<div class="option-card-title">Font Properties</div>
<div class="option-field">
<label for="fontStyle">Style</label>
<input id="fontStyle" type="text" placeholder="e.g. italic">
</div>
<div class="option-field">
<label for="fontWeight">Weight</label>
<input id="fontWeight" type="text" placeholder="e.g. bold">
</div>
<div class="option-field">
<label for="fontSize">Size</label>
<div class="size-group">
<input id="fontSize" type="number" min="0" placeholder="12">
<select id="fontSizeUnit">
<option value="px">px</option>
<option value="pt">pt</option>
</select>
</div>
</div>
<div class="option-field">
<label for="fontFamily">Family</label>
<input id="fontFamily" type="text" placeholder="e.g. Arial">
</div>
<button id="set-splitted-font" class="option-btn">Apply Font Properties</button>
</div>
<div class="option-card">
<div class="option-card-title">Font Shorthand</div>
<div class="option-field">
<label for="font">Font</label>
<input type="text" id="font" placeholder="e.g. italic bold 12px Arial">
</div>
<button id="set-font" class="option-btn">Apply Font</button>
</div>
<div class="option-card option-card-info">
<div class="option-card-title">About</div>
<p>Select a cell to view and edit its font properties. The sheet demonstrates various text styles including <strong>accounting underline</strong> — hover over the accounting underline cells to see comments.</p>
</div>
</div>
</div>
</body>
</html>
var jsonData = {
"name": "Sheet1",
"isSelected": true,
"activeRow": 10,
"activeCol": 5,
"visible": 1,
"theme": "Office",
"data": {
"dataTable": {
"1": {
"0": {
"value": "Font",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"1": {
"value": "FontFamily",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"2": {
"value": "FontSize",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"3": {
"value": "Bold",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"4": {
"value": "Italic",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"5": {
"value": "TextDecoration",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"6": {
"value": "Align",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"7": {
"value": "ForeColor",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"8": {
"value": "BackgroundColor",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"9": {
"value": "WordWrap",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"10": {
"value": "Indent",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
},
"11": {
"value": "ShrinkToFit",
"style": {
"backColor": "#82bc00",
"foreColor": "white"
}
}
},
"2": {
"0": {
"value": "Font"
},
"1": {
"value": "FontFamily"
},
"2": {
"value": "FontSize"
},
"3": {
"value": "Bold"
},
"4": {
"value": "Italic"
},
"5": {
"value": "UnderLine"
},
"6": {
"value": "Align"
},
"7": {
"value": "Forecolor"
},
"8": {
"value": "BackColor"
},
"9": {
"value": "Word-Wrap Word-Wrap Word-Wrap"
},
"10": {
"value": "Indent"
},
"11": {
"value": "This is a long text"
}
},
"3": {
"9": {
"value": "Word\r\nWrap"
}
},
"4": {
"0": {
"value": "Font"
},
"1": {
"value": "FontFamily"
},
"2": {
"value": "FontSize"
},
"3": {
"value": "Bold"
},
"4": {
"value": "Italic"
},
"5": {
"value": "DbUnderLine"
},
"6": {
"value": "Align"
},
"7": {
"value": "Forecolor"
},
"8": {
"value": "BackColor"
},
"10": {
"value": "Indent"
},
"11": {
"value": "ShrinkToFit"
}
},
"6": {
"0": {
"value": "Font"
},
"1": {
"value": "FontFamily"
},
"2": {
"value": "FontSize"
},
"5": {
"value": "lineThrough"
},
"6": {
"value": "Align"
},
"7": {
"value": "Forecolor"
},
"8": {
"value": "BackColor"
},
"10": {
"value": "Indent"
}
},
"8": {
"5": {
"value": "overline"
}
},
"10": {
"5": {
"value": "Accounting"
}
},
"14": {
"5": {
"value": "Dbl Accounting"
}
}
},
"defaultDataNode": {
"style": {
"themeFont": "Body"
}
}
},
"rowHeaderData": {
"defaultDataNode": {
"style": {
"themeFont": "Body"
}
}
},
"colHeaderData": {
"defaultDataNode": {
"style": {
"themeFont": "Body"
}
}
},
"rows": [
null,
null,
{
"size": 50
},
{
"size": 50
},
{
"size": 50
},
null,
{
"size": 50
},
null,
{
"size": 50
},
null,
{
"size": 30
},
null,
{
"size": 30
},
null,
{
"size": 30
},
null,
{
"size": 30
}
],
"columns": [
{
"size": 120
},
{
"size": 120
},
{
"size": 120
},
null,
null,
{
"size": 140
},
{
"size": 100
},
null,
{
"size": 120
},
{
"size": 80
},
{
"size": 80
},
{
"size": 100
}
],
"defaultData": {},
"leftCellIndex": 0,
"topCellIndex": 0,
"selections": {
"0": {
"row": 10,
"col": 5,
"rowCount": 1,
"colCount": 1
},
"length": 1
},
"rowOutlines": {
"items": []
},
"columnOutlines": {
"items": []
},
"cellStates": {},
"states": {},
"outlineColumnOptions": {},
"autoMergeRangeInfos": [],
"shapeCollectionOption": {
"snapMode": 0
},
"printInfo": {
"paperSize": {
"width": 850,
"height": 1100,
"kind": 1
}
}
}
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
height: 100%;
overflow: hidden;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #f5f7f9;
overflow: auto;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
font-size: 13px;
color: #333;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: 0;
}
/* Card layout */
.option-card {
background: #fff;
border: 1px solid #e0e4e8;
border-radius: 6px;
padding: 14px;
margin-bottom: 10px;
}
.option-card-title {
font-size: 13px;
font-weight: 600;
color: #555;
margin-bottom: 12px;
padding-bottom: 6px;
border-bottom: 2px solid #82bc00;
}
/* Form fields */
.option-field {
margin-bottom: 10px;
}
.option-field label {
display: block;
font-size: 12px;
color: #777;
margin-bottom: 4px;
}
.option-field input[type="text"],
.option-field input[type="number"] {
width: 100%;
padding: 6px 8px;
border: 1px solid #d0d5da;
border-radius: 4px;
font-size: 13px;
box-sizing: border-box;
outline: none;
transition: border-color 0.2s;
}
.option-field input:focus {
border-color: #82bc00;
}
.size-group {
display: flex;
gap: 6px;
}
.size-group input {
flex: 1;
padding: 6px 8px;
border: 1px solid #d0d5da;
border-radius: 4px;
font-size: 13px;
outline: none;
box-sizing: border-box;
}
.size-group input:focus {
border-color: #82bc00;
}
.size-group select {
width: 56px;
padding: 6px 4px;
border: 1px solid #d0d5da;
border-radius: 4px;
font-size: 13px;
outline: none;
background: #fff;
cursor: pointer;
}
.size-group select:focus {
border-color: #82bc00;
}
/* Button */
.option-btn {
display: block;
width: 100%;
padding: 8px 0;
margin-top: 12px;
border: none;
border-radius: 4px;
background: #82bc00;
color: #fff;
font-size: 13px;
font-weight: 500;
cursor: pointer;
transition: background 0.2s;
}
.option-btn:hover {
background: #6fa300;
}
.option-btn:active {
background: #5e8c00;
}
/* Info card */
.option-card-info p {
font-size: 12px;
line-height: 1.6;
color: #666;
margin: 0;
}
.option-card-info strong {
color: #333;
}
