[英]Convert string to become variable
I have multiple variables containing JSON as string (received from AJAX). 我有多个包含JSON作为字符串的变量(从AJAX接收)。
data.output_data_1234 data.output_data_1234
data.output_data_5678 data.output_data_5678
I convert them to Array: 我将它们转换为数组:
var outputdataarr = new Array(data.output_data_1234);
This works fine, but how do I add a number to the var name: 这可以正常工作,但是如何在var名称中添加数字:
var outputdataarr = new Array('data.output_data_'+formid+'');
this one does not work. 这一项不起作用。
formid contains a proper number. 甲虫含有适当的数字。
This does not work too: 这也行不通:
var outputvar = window['data.output_data_' + formid];
var outputdataarr = new Array(outputvar);
Please help. 请帮忙。 Thanks. 谢谢。
You probably mean, you need something like this: 您可能是说,您需要这样的东西:
var outputdataarr = new Array(data['output_data_'+formid]);
You can only use string in square brackets as an object field identifier. 您只能将方括号中的字符串用作对象字段标识符。 It cannot contain '.'. 它不能包含“。”。
UPDATE: However, you will probably need a loop to fill the whole array, eg 更新:但是,您可能需要循环来填充整个数组,例如
var outputdataarr = new Array();
for (var i=1000; i<2000; i++) {
outputdataarr.push(data['output_data_'+formid]);
}
Use []
instead of new Array
is better. 使用[]
代替new Array
更好。
var outputdataarr = [];
outputdataarr.push(data['output_data_'+formid]);
//and so on
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