[英]How can I get a specific value from my JSON object without using Array.filter()?
在rows
,我要检查是否有一个Submit
值和它后面的整数值。 如何在不使用Array.filter()的情况下检索这两个值? Google Analytics JS api不喜欢filter命令。
{
"rows": [
[
"Load",
"11"
],
[
"No Thanks",
"7"
],
[
"NoThanks",
"3"
],
[
"No_Thanks",
"2"
],
[
"Results",
"88"
],
[
"Sent",
"1"
],
[
"Sign Up",
"9"
],
[
"XOut",
"161"
],
[
"Submit",
"30"
]
]
}
只需使用for循环...
var submitFound
for(var i = 0; i < rows.length; i++) {
var row = rows[i]
if (row[0] === 'Submit') {
submitFound = true
break
}
}
if (submitFound) // do stuff
假设问题中具有的结构分配给returnData:
var returnedData = {...}; //Structure from the question
var value = -1;
for(var i = 0; i < returnedData.rows.length; i++){
var row = returnedData.rows[i];
if (row[0] == 'Submit') {
value = row[1];
break;
}
}
if (value > -1) {
// Do whatever with the value
}
如果您不想使用循环,请尝试以下方法:
// this object is simplified for test
var json={
"rows": [
[
"Load",
"11"
],
[
"Submit",
"30"
]
]
};
var stringJson=JSON.stringify(json);
var valueOfSubmit= stringJson.match("\"Submit\"\,\"([^)]+)\"\]")[1];
alert(valueOfSubmit);
最好的祝福
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