prototype.js是否像jquery一样没有冲突？因为html2canvas有一个js错误
这是错误
Uncaught (in promise) TypeError: this.getChildren is not a function
at html2canvas.js:2014
at prototype.js:297
at prototype.js:266
at Array._each (prototype.js:472)
at Array.each (prototype.js:264)
at Array.collect (prototype.js:296)
at NodeParser.getChildren (html2canvas.js:2012)
at new NodeParser (html2canvas.js:1860)
at renderWindow (html2canvas.js:1018)
at html2canvas.js:1005