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A little signal. Less noise.

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More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

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A little signal. Less noise.

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RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

Skip to content

A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLStorage available

ExploreOffer details

A little signal. Less noise.

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2026年,你终于可以在 ` ` 里定位任意字符了

掘金

About this offer

一、输入框里的“黑盒”问题先看一个真实的开发场景。你想做一个带自动补全的搜索框。用户打字时,下拉建议框应该出现在光标正下方。听起来很简单对吧? 问题是:你拿不到光标的位置。和 <

Offer details

Provider: 掘金
Source: juejin-rss
Score: 57.37
Confidence: 54%

Source evidence

What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Sep 28, 2026Source reliability: 60%
2026年,你终于可以在 ` ` 里定位任意字符了. 一、输入框里的“黑盒”问题先看一个真实的开发场景。你想做一个带自动补全的搜索框。用户打字时,下拉建议框应该出现在光标正下方。听起来很简单对吧? 问题是:你拿不到光标的位置。和 <
Open source

2026年,你终于可以在 ` ` 里定位任意字符了

Opens an external website. Availability and terms may change.

Real offers. Useful details.

The catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.

RADARGood tools open new possibilities.Explore thoughtfully. Create freely.