Legend

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How to get the line height and font size of the selected text?

(Have I been muted? I can't reply to posts anymore.)

How is this line spacing calculated?

line height= font size + Line spacing

Is that right?

How do I get the font size and line spacing of the current line?

Thank you very much.

rob dayCorrect answer

Community Expert

So:

alert(app.selection[0].leading)

Legend

Hi rob day.

Thank you.

I only noticed that “leading” means “to be in the lead”; I didn't realize that its second meaning is “line spacing.”
How do I get the font size?

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Community Expert

This gets the point size of the first character in some selected text

alert(app.selection[0].pointSize)

Also if you are trying to set line leading you have to consider the Preferences>Type>Apply Leading to Entire Paragraphs setting

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Correct answer

Community Expert

So:

alert(app.selection[0].leading)

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Community Expert

How is this line spacing calculated?

InDesign does not have a line height or line spacing property. There is Leading, which is the measurement from baseline to baseline:

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