Use expressions to edit and access text properties

  text.sourceText + "\r" + text.sourceText.toUpperCase()

// Using the whole path to the Source Text property 
text.sourceText.style 
 
// Using the generic name for the current property 
thisProperty.style

// Accessing the style object of a specific text layer 
 
thisComp.layer("Other Layer Name").text.sourceText.style;

text.sourceText.style
.setFont("Montserrat-Light") 
.setFont("Gigantic", 0, 6).setFont("Gigantic", 10, 6).setFont("Gigantic", 20) 

 text.sourceText.style.setFontSize(100, 0, 30).setFauxBold(true, 0, 30) 

text.sourceText.style.setBaselineOption("superscript",1,2).setBaselineOption("superscript", 9, 2) 

// To return the values of both the style and the actual Source Text at time (short hand) 
 
var sourceTextProperty = thisComp.layer("MAIN TEXT").text.sourceText; 
 
var newStyle = sourceTextProperty.getStyleAt(0,0);  
 
newStyle.setText(sourceTextProperty);

// To return the values of both the style and the actual Source Text of the previous layer in the layer stacking order 
 
var sourceTextProperty = thisComp.layer(index - 1).text.sourceText; 
 
var newStyle = sourceTextProperty.getStyleAt(0,0);  
 
newStyle.setText(sourceTextProperty);

// To lock a text layer to specific fonts with a Dropdown Menu Control 
 
var dropDownMenu = thisComp.layer("LayerName").effect("Dropdown Menu Control")("Menu"); 
 
switch (dropDownMenu.value) { 
 
    case 1 : 
 
        text.sourceText.style.setFont("Georgia"); 
 
        break; 
 
    case 2 : 
 
        text.sourceText.style.setFont("Impact"); 
 
        break; 
 
default : 
 
        text.sourceText.style.setFont("Tahoma"); 
 
}

// To get all text properties from a text layer 
 
thisComp.layer("Text Layer 1").text.sourceText.style;

// To get all text properties from “Text Layer 1” but override Fill Color and Font Size with hardcoded values 
 
var newStyle = thisComp.layer("Text Layer 1").text.sourceText.style;  
 
newStyle.setFillColor(hexToRgb("FF0000")).setFontSize(100);

// To get all text properties from "Text Layer 1” but override Fill Color and Font Size with the layer’s current text properties 
 
var newStyle = thisComp.layer("Text Layer 1").text.sourceText.style; 
 
var currentFillColor = thisProperty.style.fillColor; 
 
var currentFontSize = thisProperty.style.fontSize; 
 
newStyle.setFillColor(currentFillColor).setFontSize(currentFontSize);

// To return the name of the Font for the text layer itself 
text.sourceText.style.font; 
 
// To return the name of the Font another text layer is using 
var otherLayer = thisComp.layer("Other Layer Name"); 
 
otherLayer.text.sourceText.style.font; 
 
// To return the value of Font Size for the text layer itself 
text.sourceText.style.fontSize; 
 
// To return the value of Font Size for another text layer 
var otherLayer = thisComp.layer("Other Layer Name"); 
 
otherLayer.text.sourceText.style.fontSize; 
 
// To return a Boolean value of whether a layer's text is Faux Bold or not (True or False) 
text.sourceText.style.isFauxBold; 
 
// To return a Boolean value of whether a layer's text is Faux Italic or not (True or False) 
text.sourceText.style.isFauxItalic; 
 
// To return the value of a text layer’s Tracking as a number 
text.sourceText.style.tracking; 
 
// To return the value of a text layer's Leading as a number 
text.sourceText.style.leading;

// To return a Boolean value of whether a layer's text has Fill applied to it (True or False) 
text.sourceText.style.applyFill; 
 
// To return the value of the Fill Color of a text layer 
// By default, this returns an array of the RGB values on a scale from 0 – 1.0 
text.sourceText.style.fillColor; 
 
// Set the Fill Color of a text layer with setApplyFill and setFillColor 
// setFillColor values are defined as an RGB array on a scale between 0 – 1.0 
var newStyle = style.setApplyFill(true); 
 
newStyle.setFillColor([1.0, 1.0, 1.0]); 
 
// Set the Fill Color of a text layer substituting the 0 – 1.0 RGB array with hexToRGB to define the color values with Hex values 
var newStyle = style.setApplyFill(true); 
 
newStyle.setFillColor(hexToRgb("FFFFFF"));

// To return the red (R) value of the Fill Color 
 
text.sourceText.style.fillColor[0];

// To return a Boolean value of whether a layer's text has Stroke applied to it (True or False) 
text.sourceText.style.applyStroke; 
 
// To return the value of the Stroke Color of a text layer 
// By default, this returns an array of the RGB values on a scale from 0 – 1.0 
text.sourceText.style.strokeColor; 
 
// Set the Stroke Color of a text layer with setApplyStroke and setStrokeColor 
// setStrokeColor values are defined as an RGB array on a scale between 0 – 1.0 
var newStyle = style.setApplyStroke(true); 
 
newStyle.setStrokeColor([1.0, 0.0, 0.0]); 
 
// Set the Stroke Color of a text layer substituting the 0 – 1.0 RGB array with hexToRGB to define the color values with Hex values 
var newStyle = style.setApplyStroke(true); 
 
newStyle.setStrokeColor(hexToRgb("FF0000")); 
 
// To return the value of a text layer's Stroke Width as a number 
text.sourceText.style.strokeWidth;

// To return the green (G) value of the Stroke Color 
 
text.sourceText.style.strokeColor[1];

text.sourceText.getStyleAt(index, atTime);

// Gets the style of the first character at the beginning of the timeline 
 
text.sourceText.getStyleAt(0,0);

// Set the font used to Arial 
style.setFont("ArialMT") 
 
// Set the font size to 80 
style.setFontSize(80); 
 
// Enable Faux Bold with a Boolean 
style.setFauxBold(true) 
 
// Enable Faux Italics with a Boolean 
style.setFauxItalics(true) 
 
// Enable All Caps with a Boolean 
style.setAllCaps(true) 
 
// Enable Small Caps with a Boolean 
style.setSmallCaps(true) 
 
// Set the Tracking as a number 
style.setTracking(10); 
 
// Set the Leading as a number 
style.setLeading(10); 
 
// Enable Auto Leading with a Boolean 
style.setAutoLeading(true); 
 
// Set the Baseline Shift as a number 
style.setBaselineShift(10); 
 
// Set the Stroke Width as a number 
style.setStrokeWidth(10); 

// Set the first line of a text layer to bold and make it larger
 text.sourceText.style.setFontSize(100, 0, 30).setFauxBold(true, 0, 30)

// Sets uperscript for characters 
text.sourceText.style.setBaselineOption("superscript",1,2).setBaselineOption("superscript", 9, 2) 

// Enable Fill, set Fill Color, set Baseline, set Tracking, and enable Auto Leading 
 
text.sourceText.style 
 
    .setApplyFill(true) 
 
    .setFillColor(hexToRgb("FFFFFF")) 
 
    .setBaselineShift(10) 
 
    .setTracking(25) 
 
    .setAutoLeading(true);

var nextLayer =  thisComp.layer(index + 1); 
nextLayer.name + "\rOpacity = " + nextLayer.opacity.value; 

// Create sourceFootageName as a blank string 
var sourceFootageName = ""; 
  
// Loop through all layers in the composition 
for (var i = 1; i <= thisComp.numLayers; i++) { 
  
    // If i matches this layer's index, continue to next loop 
    if (i == index) { 
        continue; 
    } 
  
    // Set myLayer for the current iteration of the loop 
    var myLayer = thisComp.layer(i); 
  
    // If myLayer has no video or isn't active, continue to next loop/layer 
    if ( !myLayer.hasVideo || !myLayer.active ) { 
      continue; 
    } 
  
    // If myLayer is active at the current time 
    if ( myLayer.active ) { 
        try { 
            // Set sourceFootageName to myLayer's source name 
            sourceFootageName = myLayer.source.name; 
        } catch ( err ) { 
            // If myLayer has no source, 
            // set sourceFootageName to the myLayer's name 
            sourceFootageName = myLayer.name; 
        } 
  
        // Stop looping 
        break; 
    } 
} 
  
// Display the sourceFootageName 
sourceFootageName;