js兼容性匯總
阿新 • • 發佈:2018-12-13
turn tag 方法 split document names child ren .get
1、ie8不支持getElementsByClassName()方法
【解決辦法】
if(!document.getElementsByClassName){ document.getElementsByClassName = function(className, element){ var children = (element || document).getElementsByTagName(‘*‘); var elements = new Array(); for (var i=0; i<children.length; i++){ var child = children[i]; var classNames = child.className.split(‘ ‘); for (var j=0; j<classNames.length; j++){ if (classNames[j] == className){ elements.push(child); break; } } } return elements; }; }
2、ie8給函數參數默認值報錯
js兼容性匯總