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jQuery Interview Questions FAQ

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Using typeof operator, we can get the type of arguments passed to a function.

You can use $('*') to select all elements available in a DOM.

jQuery .attr() method is used for getting the value from the first matched element.

jQuery css() method sets or returns one or more style properties for the selected elements.

The innerHTML property sets or returns the HTML content (inner HTML) of an element.

The jQuery append() method inserts specified content at the end of the selected elements.

jQuery bind() function is used to attach an event handler to elements, while the unbind() is used to detached an existing event handler from elements.

The delay() method sets a timer to delay the execution of subsequent items in the queue.

By default, jquery uses the variable jQuery and the $ is used for your convenience. Many JavaScript libraries use $ as a function or variable name, just as jQuery does. If we need to use another JavaScript library alongside jQuery, we can return control of $ back to the other library with a call to $.noConflict().

Once you have used jQuery.noConflict, the control of $ is handed over to other libraries rather than jQuery and in this case, you will have to use jQuery rather than $.

The jQuery stop(true, true) method will be quite similar to finish() method. Both methods helps in clearing the queue and thereby helps the animations to enter into their end state. In .finish() it also causes the CSS property of all queued animations to jump to their end values, as well.

jQuery stop() method stops the currently running animation on the matched elements.

This will select all the P elements (Paragraph) on page.

ID and element selectors are the fastest selectors in jQuery.

The property is used to globally disable/enable all animations.

jQuery clone() method makes a copy of selected elements, including child nodes, text and attributes.

By Default clone method does not clone the events unless it is being instructed to copy. When “clone” method is being instructed to clone the events also then along with elements, events are also being copied. The clone() method takes a parameter, if you pass true then it will copy the events as well.

A clone(true) indicating whether event handlers should be copied along with the elements. (C) 2019    Founded by raps mk
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