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jQuery passing element ID into jquery statement?

I'd like to pass the ID of an element into a function which then calls jQuery. However, I'm stumped as to how to actually take the ID variable and concatenate it with other text inside the jQuery statement. For example, this returns an error:

myFunction("#myObject");

function myFunction(IDofObject){

    $("'"+IDofObject+" img'").doSomething...

}

I'd like to do something with '#myObject img' but can't get that to work inside the statement.

like image 382
DA. Avatar asked Sep 30 '09 18:09

DA.


2 Answers

Don't wrap the parameter in quotes:

function myFunction(IDofObject) {
    $( IDofObject + " img" ).doSomething();
}

Also, you may want to consider adding the hash character inside the function so you can pass it the actual id, not a selector.

myFunction( $('.classSelector :first').attr('id') );

function myFunction(IDofObject) {
    $( "#" + IDofObject + " img" ).doSomething();
}
like image 144
tvanfosson Avatar answered Sep 19 '22 23:09

tvanfosson


myFunction("#myObject");

function myFunction(IDofObject){

    $(IDofObject+" img").doSomething...

}

Try that.

like image 20
brettkelly Avatar answered Sep 17 '22 23:09

brettkelly