2014/10/16 上午 12:06:35

jquery Programming Glossary: profiler

Iframes and memory management in Javascript

http://stackoverflow.com/questions/12128458/iframes-and-memory-management-in-javascript

load pages into iframes. I have been monitoring the accumulation of data in memory using Google Chrome's memory heap profiler and I noticed some leaks in memory. I loaded the page and took the first snapshot which added up to 2.69 MB . I clicked..

Should I use jQuery.each()?

http://stackoverflow.com/questions/1883611/should-i-use-jquery-each

been using jQuery.each . However I'm having speed and memory issues and one of the most called methods according to my profiler is jQuery.each . What's the word on the street about its performance Should I switch to a simple for loop Of course I'm..

JQGrid Redrawing is slow

http://stackoverflow.com/questions/3530143/jqgrid-redrawing-is-slow

set the display of the grid to none and the page ran fast as usual just as i suspected. Using IE8 debugger I used the profiler to measure speeds of my javascript and html and these speeds were really fast so it's definitely the drawing of the grid..

Javascript (jQuery) performance measurement and best practices (not load time)

http://stackoverflow.com/questions/400836/javascript-jquery-performance-measurement-and-best-practices-not-load-time

not load time I'll say right off the bat that this question is NOT about load times I know about YSlow the Firebug profiler and whatever best practices and tools googlage reveals about page component load times. I am asking what good profiling..

jQuery single selector vs .find()

http://stackoverflow.com/questions/6230266/jquery-single-selector-vs-find

answer to your question is yes. Don't worry about the performance difference unless your code is slow . If it is use a profiler to determine bottlenecks. From an analysis standpoint .div1 h2 div1 h3 should be faster as jQuery will pipe it through querySelectorAll..

How to stop intense Javascript loop from freezing the browser

http://stackoverflow.com/questions/714942/how-to-stop-intense-javascript-loop-from-freezing-the-browser

processing to see if there is a bottleneck somewhere that may be fixed. You can benchmark in firefox using firebug's profiler and by writing out to the console like this start benchmark var t new Date some xml processing console.log Time to process..