A chrome problem, but the specific cause is unknown.
Trigger condition: When the href attribute in the base tag of the chrome browser has a value
Trigger problem: If the element in svg has a url Filters and blur will fail. This problem is not found in Firefox and IE10.
Normal state:
When there is a base tag and the value in href is ".", the state in chrome:
Test code:
<!doctype html><html><head><meta charset="utf-8"><title>chrome bug</title><style>#svg{ width:500px; height:500px; display:block; margin:20px auto; background-color:#000; }</style><!--当href=""里面有值的时候填写的url都会失效--><base href="." target="_blank"><!--当href=""这样则不会--><!--<base target="_blank">--></head><body><svg id="svg"> <defs> <lineargradient id="blur1" x1="0%" y1="0%" x2="100%" y2="0%"> <stop offset="0%" style="stop-color:#FF0000;stop-opacity:0"></stop> <stop offset="100%" style="stop-color:#FF0000;stop-opacity:1"></stop> </lineargradient> <filter id="Gaussian_Blur"> <feGaussianBlur in="SourceGraphic" stdDeviation="3" /> </filter> </defs> <circle cx="200" cy="50" r="40" style="stroke:url(#blur1); filter:url(#Gaussian_Blur); stroke-width:10; fill:yellow; "/> <line x1="0" y1="0" x2="300" y2="300" style="stroke:url(#blur1); stroke-width:2;" /></svg></body></html>
The specific reason is unknown, I hope someone can help me Give me some advice.