css3动画 - css3 transition设置多个属性的时候不能只用逗号分隔？

Question

比如这个transition: width,height 1s ease;

Answer 1

transition: width,height 1s,1s ease,ease;
I know...the following value should be written again with commas...

Answer 2

Multiple attributes can be directly transition: all 1s ease

Answer 3

transition: width 1s ease, height 1s ease;

Answer 4

No commas, just separate them with spaces!