When to use target=" _self "

In HTML, the target='_self' attribute is a property of the anchor tag (<a>), used to define how links are opened. By default, it opens the link in the same browser window or tab.

Typically, if the target attribute is not specified, the link opens in the current window or tab, which is equivalent to setting target='_self'. Therefore, in most cases, this attribute can be omitted. However, explicitly setting target='_self' can enhance code readability or satisfy specific coding style requirements in certain scenarios.

Usage Scenarios

1. Code Clarity and Readability: If a project's coding standards mandate that all link tags explicitly declare the target attribute—even for default behavior—this makes the code more transparent and allows other developers to immediately recognize how the link is opened. For example, in a detailed HTML document where most links open in the same window, project standards might require explicit specification to prevent ambiguity.

html
<a href="https://www.example.com" target="_self">Visit Example.com</a>

1. Interaction with JavaScript: When dynamically modifying link behavior using JavaScript, the target attribute may be altered at runtime. By initially setting target='_self', developers can clearly identify the original configuration, regardless of subsequent JavaScript changes.

html
<a href="https://www.example.com" id="myLink" target="_self">Visit Example.com</a>
<script>
document.getElementById("myLink").addEventListener("click", function(event) {
    this.target = "_blank"; // Dynamically change to open in a new tab
});
</script>

In summary, while target='_self' is often redundant as it merely reiterates the default behavior, explicitly setting it can be meaningful in contexts requiring code clarity, readability, or specific interaction logic.