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Bookmark or Share- jquery - Set select option 'selected', by value - Stack OverflowBut you're not doing it with straight JavaScript, you're doing it with jQuery. And in jQuery, you want to use the .prop() function to set a property, so you would do it like this: $("#my_stuff").prop('selectedIndex', 4); Anyway, just make sure your id is unique. Otherwise, you'll be banging your head on the wall wondering why this didn't work.
- How do I check whether a checkbox is checked in jQuery?this.checked is not jQuery, as the OP asked for. Also, it only works when user clicks on the checkbox, which is not part of the question. The question is, again, How to check whether a checkbox is checked in jQuery? at any given time with or without clicking the checkbox and in jQuery. –
- javascript - JQuery - $ is not defined - Stack Overflow(function($){ // your standard jquery code goes here with $ prefix // best used inside a page with inline code, // or outside the document ready, enter code here })(jQuery); or. jQuery(document).ready(function($){ // standard on load code goes here with $ prefix // note: the $ is setup inside the anonymous function of the ready command });
- What does the "$" sign mean in jQuery or JavaScript?In jQuery the variable is assigned a copy of the jQuery function. This function is heavily overloaded and means half a dozen different things depending on what arguments it is passed. In this particular example you are passing it a string that contains a selector, so the function means "Create a jQuery object containing the element with the id ...
- What is the meaning of symbol - in jQuery? - Stack OverflowCalling this function the control of the $ variable goes back to the other library that first implemented it. Doing this to use jQuery you can't do this $('div.someClass') anymore, instead jQuery('div.someClass'). Alternatively can do this: jQuery.noConflict(); jQuery.ready(function($) { // use $ for jQuery } //use $ for the other library
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