Morning, Over the past few months I have been tinkering with the HTML5 Canvas API and have had quite a lot of fun doing so. I ve gradually created a number of small games purely for teaching myself ...

Can anyone may explain me why creating object via string is slower than same object and execute addClass() method in jQuery? I thought that addClass() method will be slower, but it is not. I m ...

目前,我用下面的问询进行 j。 在可能的情况下,你不知道jsPerf——有两张表格:包含测试案例/修改的网页,以及含有编码信标的测试。