How Can I Automatically Adjust Text Size to Fit Within a Constrained Div?

Fine-tuning Text Size within a Constrained Div: An Automatic Solution

Imagine having a background image with a div and the desire to overlay text that automatically adjusts its font size to fit within the confined div. This question seeks a solution to this common problem, and here we provide a comprehensive answer.

jQuery Implementation: A Step-by-Step Guide

To achieve the desired effect, we propose a jQuery-based solution, as demonstrated in this interactive example: http://jsfiddle.net/MYSVL/2/.

We begin by creating a div container with text content:

<div>

Next, we impose a fixed size on the div container:

#fitin {
    width: 300px;
    height: 100px;
    border: 1px solid black;
    overflow: hidden;
    font-size: 1em;
}

To dynamically adjust the text size, we employ the following JavaScript code:

$(function() {
    while( $('#fitin div').height() > $('#fitin').height() ) {
        $('#fitin div').css('font-size', (parseInt($('#fitin div').css('font-size')) - 1) + "px" );
    }
});

This code iteratively decreases the font size of the inner div until the text fits within the specified height of the container div, ensuring optimal readability and content display within the constrained space.

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