how to define variable in jquery

Question

I would like to know how to declare a variable in jQuery  The code I am currently using is    name    anirudha   alert   name     That code works fine  but if I write it as    name   document myForm txtname value  alert   name     Then my code does not work

User · Answer

in jquery we have to use selector    to declare variables  var test     lt   ddl ClientId  gt       here we can get the id of drop down to j query variable

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Here s are some examples   var name    india   alert name       var name       txtname   val    alert name     Taken from  http   way2finder blogspot in 2013 09 how-to-create-variable-in-jquery html

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You can also use text   to set or get the text content of selected elements  var text1       idName   text

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In jquery  u can delcare variable two styles   One is     name    anirudha   alert   name     Second is   var hText       head1   text      Second is used when you read data from textbox  label  etc

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var name    john   document write name     it will write the variable you have declared upper

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Remember jQuery is a JavaScript library  i e  like an extension  That means you can use both jQuery and JavaScript in the same function  restrictions apply    You declare create variables in the same way as in Javascript  var example   However  you can use jQuery for assigning values to variables   var example       unique product code   html      Instead of pure JavaScript   var example   document getElementById  unique product code   innerHTML

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Try this     var name       txtname   val    alert name

User · Answer

jQuery is just a javascript library that makes some extra stuff available when writing javascript - so there is no reason to use jQuery for declaring variables  Use  regular  javascript   var name   document myForm txtname value  alert name     EDIT  As Canavar points out in his example  it is also possible to use jQuery to get the form value   var name       txtname   val       Yes  it s called  val    not  value     given that the text box has its id attribute set to txtname  However  you don t need to use jQuery just because you can

[jquery] how to define variable in jquery

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