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The void is an important keyword in JavaScript, which can be used as a unary operator that appears before its single operand, which may be of any type. This operator specifies an expression to be evaluated without returning a value.SyntaxThe syntax of void can be either of the following two − The most common use of this operator is in a client-side javascript: URL, where it allows you to evaluate an expression for its side-effects without the browser displaying the value of the evaluated expression.Here the expression alert ('Warning!!!') is evaluated but it ... Read More
When you will begin working about jQuery, you will get to know about the usage of the $ sign. A $ sign is used to define jQuery.jQuery variables begin with $ to distinguish them from a standard JavaScript object. Also, it is a convention. jQuery selectors start with the dollar sign and parentheses() − $.Let's take an Example −// jQuery object var $phone = $("#myphone"); // dom object var phone_el = $("#myphone").get(1);
Set pathAssuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.Set ClasspathAssuming you have stored your Java programs in c:\myprograms\ directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, add the 'CLASSPATH' variable and set the path to the c:\myprograms\'.Read More
Assuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, add the 'JAVA_HOME' variable and set the path to the c:\Program Files\java\jdk'.
Following are the required steps −Assuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.
Following are the required steps −Open a command prompt.Type following commands:C:\> set path=C:\Program Files\Java\jdk1.8.0_23\bin
Set pathAssuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.Set ClasspathAssuming you have stored your Java programs in c:\myprograms\ directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, add the 'CLASSPATH' variable and set the path to the c:\myprograms\'.Read More
Assuming you have stored your Java programs in c:\myprograms\ directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, add the 'CLASSPath' variable and set the path to the c:\myprograms\'.
The jQuery filter() method will return elements matching a specific criteria. The following are the parameters for the jQuery.filter() methods,S.NoParameterDescription1criteriaThis specifies a selector expression, or one or more elements. These elements are returned from a group of selected elements.2function(index)This specifies a function to run for every element. This is an optional parameter.ExampleYou can try to run the following code to work with jQuery.filter(),Live Demo $(document).ready(function(){ $("p").filter(".myclass").css("background-color", "gray"); }); Tutorialspoint Free Text Tutorials Free Video Tutorials Connecting Tutors