check if jquery is installed
if (typeof jQuery == "undefined") {
alert("JQuery is not installed");
} else {
alert("JQuery is installed correctly!");
}check if jquery is installed
if (typeof jQuery == "undefined") {
alert("JQuery is not installed");
} else {
alert("JQuery is installed correctly!");
}linux command to see all the java version installed
sudo update-alternatives --display javahow to check if java is installed
On Windows 10:
Start > Control Panel > Program > Java
If you can't see a Java option then you don't have Java installed.
Otherwise, this should open the Java Control Panel. Click the 'About'
button to view version information.how to check if java is installed on windows 10
Open cmd and write "java -version" if there is intalled, the details will be displayedCopyright © 2021 Codeinu
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