[note] javascript 的 foreach / split / php explode style 寫法
var loc="25.258861, 121.509389";
var arr=loc.split(",");
var content = '';
for (var key in arr) {
content += key + ' : ' + arr[key] + "\n";
}
另一個
var myarr = new Array('red','green','blue');
var content='';
for(var key in myarr){
content += key+' : '+myarr[key]+"\n";
}
alert( content );
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