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Questions and Answers
What is the prefix jQuery uses for ids?
What is the prefix jQuery uses for ids?
- # (correct)
- @
- .
- &
What method does jQuery use to select elements?
What method does jQuery use to select elements?
- document.getElementById( (correct)
- querySelectorAll(
- element.id
- className
What is jQuery designed to be?
What is jQuery designed to be?
- Reliable
- Efficient (correct)
- Easy to interpret
- Highly extensible
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Study Notes
- jQuery uses the document.getElementById() method to select elements.
- If the input string is a single word and is trying to find out an id, it invokes a document.getElementById() method and returns the id of an element.
- jQuery uses querySelectorAll() method to fulfill a request if the browser supports this method.
- If the input string is a single word and is trying to find out a class name, jQuery uses the className property on the element.
- jQuery uses the . as a prefix for class names.
- jQuery uses the @ symbol as a prefix for ids.
- If the input string is a single word and is trying to find out a element that does not have a class name, jQuery uses the element.id property.
- jQuery uses the . as a prefix for ids.
- If the input string is a single word and is trying to find out an element by its name, jQuery uses the name property.
- jQuery uses the # as a prefix for ids.
- If the input string is a single word and is trying to find out a class name by its name, jQuery uses the className property on the element.
- If the input string is a single word and is trying to find out an element by its id, jQuery uses the id property.
- If the input string is a single word and is trying to find out an element by its name and its class name, jQuery uses the className and name properties together.
- If the input string is a single word and is trying to find out a element by its name and its id, jQuery uses the id and name properties together.
- If the input string is a single word and is trying to find out a element by its class name and its id, jQuery uses the className and id properties together.
- If the input string is a single word and is trying to find out a element by its class name and its name, jQuery uses the className and name properties together.
- jQuery is a popular library that can be used to simplify web development.
- It has a simple API and is highly extensible.
- It is designed to be efficient and allow for event delegation.
- It is easily interpretable and has an IP assignment that is highly reliable.
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