Why Isn\'t My JavaScript Font Size Changing?

How to Change Font Size Using JavaScript

Issue

Modifying the font size using the following code snippet seems ineffective:

<code class="javascript">var span = document.getElementById("span");
span.style.fontsize = "25px";
span.innerHTML = "String";</code>

Resolution

JavaScript's case sensitivity plays a crucial role in this situation. To correctly modify the font size, adhere to the following syntax:

<code class="javascript">span.style.fontSize = "25px";</code>

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