我有这个数组:
[
{
"title": "fruit",
"categories": [
"apple",
"banana"
]
},
{
"title": "city",
"categories": [
"Brazil",
"EUA",
"China"
]
},
{
"title": "name",
"categories": [
"Ana"
]
}
]
我想通过用户输入的任何术语来过滤它
我已经得到了这个,仅适用于标题,但我想按标题和类别搜索:
array.filter(f => f.title.includes(myString))
用交替||
使用.some
的检查f.categories
:
array.filter(f =>
f.title.includes(myString) ||
f.categories.some(
category => category.includes(myString)
)
);
现场演示:
const array = [
{
"title": "fruit",
"categories": [
"apple",
"banana"
]
},
{
"title": "city",
"categories": [
"Brazil",
"EUA",
"China"
]
},
{
"title": "name",
"categories": [
"Ana"
]
}
];
const input = document.querySelector('input');
input.addEventListener('input', () => {
document.querySelector('div').textContent = JSON.stringify(
array.filter(f =>
f.title.includes(input.value) ||
f.categories.some(
category => category.includes(input.value)
)
)
);
});
<input>
<div></div>
这不是您的原始代码正在实现的逻辑,但如果您还需要检查不同的大小写匹配:
const array = [
{
"title": "fruit",
"categories": [
"apple",
"banana"
]
},
{
"title": "city",
"categories": [
"Brazil",
"EUA",
"China"
]
},
{
"title": "name",
"categories": [
"Ana"
]
}
];
const input = document.querySelector('input');
input.addEventListener('input', () => {
const value = input.value.toLowerCase();
document.querySelector('div').textContent = JSON.stringify(
array.filter(f =>
f.title.toLowerCase().includes(value) ||
f.categories.some(
category => category.toLowerCase().includes(value)
)
)
);
});
<input>
<div></div>
本文收集自互联网,转载请注明来源。
如有侵权,请联系 [email protected] 删除。
我来说两句