异步加载JSONP
var loadJsonp = function(callback) { var jsonpdata; var head = document.getElementsByTagName(‘head‘); if (head && head.length) { head = head[0]; } else { head = document.body; } var script = document.createElement(‘script‘); script.type = "text/javascript"; var isLoaded = false; script.onload = script.onreadystatechange = function() { if (isLoaded) { return; } if ((!this.readyState) || this.readyState == "complete" || this.readyState == "loaded") { isLoaded = true; setTimeout(function() { callback(jsonpdata); }); script.onload = script.onreadystatechange = null; //防止IE内存泄漏 } } dealData = function(data) { jsonpdata = data; } script.src ="json url"; head.appendChild(script); }
郑重声明:本站内容如果来自互联网及其他传播媒体,其版权均属原媒体及文章作者所有。转载目的在于传递更多信息及用于网络分享,并不代表本站赞同其观点和对其真实性负责,也不构成任何其他建议。