jQuery - What are differences between document ready and window load

Question

What are differences between    document  ready function       my code here       and    window  load function        my code here         And I want to make sure that     document  ready function           and     function            and   jQuery document  ready function           are the same   Can you tell me what differences and similarities between them

User · Answer

This three function are the same     document  ready function           and    function            and  jQuery document  ready function           here   is used for define jQuery like     jQuery    Now difference is that    document  ready is jQuery event that is fired when DOM is loaded  so it   s fired when the document structure is ready     window  load event is fired after whole content is loaded like page contain images css etc

User · Answer

document  ready function e            executes when HTML-Document is loaded and DOM is ready       console log  page is loading now            document  load function e           when html page complete loaded     console log  completely loaded

User · Answer

From the jQuery API Document     While JavaScript provides the load event for executing code when a   page is rendered  this event does not get triggered until all assets   such as images have been completely received  In most cases  the   script can be run as soon as the DOM hierarchy has been fully   constructed  The handler passed to  ready   is guaranteed to be   executed after the DOM is ready  so this is usually the best place to   attach all other event handlers and run other jQuery code  When using   scripts that rely on the value of CSS style properties  it s important   to reference external stylesheets or embed style elements before   referencing the scripts       In cases where code relies on loaded assets  for example  if the   dimensions of an image are required   the code should be placed in a   handler for the load event instead      Answer to the second question -  No  they are identical as long as you are not using jQuery in no conflict mode

User · Answer

document ready is a jQuery event  it runs when the DOM is ready  e g  all elements are there to be found used  but not necessarily all the content   window onload fires later  or at the same time in the worst failing cases  when images and such are loaded  So  if you re using image dimensions for example  you often want to use this instead   Also read a related question  Difference between   window  load   and   document  ready   functions

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x000D   x000D    document  ready function     x000D       executes when HTML-Document is loaded and DOM is ready x000D    console log  document is ready    x000D      x000D   x000D   x000D    window  load function     x000D       executes when complete page is fully loaded  including all frames  objects and images x000D    console log  window is loaded    x000D      x000D   lt script src  https   ajax googleapis com ajax libs jquery 2 1 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D    Query 3 0 version  Breaking change   load     unload    and  error   removed     These methods are shortcuts for event operations  but had several API   limitations  The event  load   method conflicted with the ajax  load     method  The  error   method could not be used with window onerror   because of the way the DOM method is defined  If you need to attach   events by these names  use the  on   method  e g  change      img   load fn  to   img  on  load   fn  1     window  load function          Should be changed to     window  on  load   function  e        These are all equivalent     function          jQuery document  ready function           document  ready function           document  on  ready   function

User · Answer

window  load is an event that fires when the DOM and all the content  everything  on the page is fully loaded like CSS  images and frames  One best example is if we want to get the actual image size or to get the details of anything we use it         document  ready   indicates that code in it need to be executed once the DOM got loaded and ready to be manipulated by script  It won t wait for the images to load for executing the jQuery script     lt script type    text javascript  gt          window  load was deprecated in 1 8  and removed in jquery 3 0          window  load function                alert    window  load fired                      document  ready function             alert    document  ready fired             lt  script gt         window  load fired after the   document  ready        document  ready function           and    function            and jQuery document  ready function              Above 3 are same    is the alias name of jQuery  you may face conflict if any other JavaScript Frameworks uses the same dollar symbol    If u face conflict jQuery team provide a solution no-conflict read more         window  load was deprecated in 1 8  and removed in jquery 3 0

User · Answer

The ready event is always execute at the only html page is loaded to the browser and the functions are executed     But the load event is executed at the time of all the page contents are loaded to the browser for the page      we can use   or jQuery when we use the noconflict   method in jquery scripts

User · Answer

The Difference between   document  ready   and   window  load   functions is that the code included inside   window  load   will run once the entire page images  iframes  stylesheets etc  are loaded whereas the document ready event fires before all images iframes etc  are loaded  but after the whole DOM itself is ready       document  ready function           and    function           and  jQuery document  ready function           There are not difference between the above 3 codes   They are equivalent but you may face conflict if any other JavaScript Frameworks uses the same dollar symbol   as a shortcut name   jQuery noConflict    jQuery ready function        Code using   as alias to jQuery

[jquery] jQuery - What are differences between $(document).ready and $(window).load?

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