jQuery.Deferred 异常:无法读取属性
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时间:2020-08-26 17:11:21 来源:igfitidea点击:
jQuery.Deferred exception: Cannot read property
提问by L.Clark
var arr = [{
value: 'a'
}];
var getTest = function() {
jQuery.each(arr, function(i, val) {
if (val.value == "a") {
return val;
}
});
}
alert(getTest().value);
jquery-3.1.0.js:3793 Uncaught TypeError: Cannot read property 'value' of undefined
jquery-3.1.0.js:3793 未捕获的类型错误:无法读取未定义的属性“值”
采纳答案by Aleksandar ?oki?
var arr = [{
value: 'a'
}];
var getTest = function() {
var toRet;
jQuery.each(arr, function(i, val) {
if (val.value == "a") {
toRet = val;
}
});
return toRet;
}
alert(getTest().value);
jQuery.each
is actually a function and you are returning value there and not to your function getTest()
. This is working solution.
jQuery.each
实际上是一个函数,你在那里返回值而不是你的函数getTest()
。这是有效的解决方案。