Add-ons Browser Detection 2.3.0

[XenForo]

XenForo submitted a new resource:

Browser Detection - A light-weight shim around[Mobile_detect for XenForo

A light-weight shim around Mobile_detect for XenForo 2

Usage (in templates)

The add-on injects the global variable $xf.mobileDetect, check that the variable is set before calling any methods to prevent errors during upgrades or if the add-on is disabled.

<xf:if is="$xf.mobileDetect && $xf.mobileDetect.isMobile()">
    Is Mobile
<xf:else />
    Not Mobile
</xf:if>

<xf:if is="$xf.mobileDetect &&...

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[XenForo]

XenForo updated Browser Detection with a new update entry:

2.1.0 - Feature update

• Require php 7.0+
• Require XenForo 2.1+
• Inject is-mobile or is-tablet into PAGE_CONTAINER html class attribute based on detected user-agent

Read the rest of this update entry...

 

[XenForo]

XenForo updated Browser Detection with a new update entry:

2.1.1 - Maintenance update

• Update MobileDetect library to v2.8.37

Read the rest of this update entry...

 

[XenForo]

XenForo updated Browser Detection with a new update entry:

2.1.3 - Compatibility update

• 3rd party add-on compatibility fix, rework how html element css injection works

Read the rest of this update entry...

 

[ThanosCrax]

After adding the code to my template there is text at top of the screen
why is that so and did I do something wrong?