How to get element by innerText
Quickly fetch an element by its innerText
using XPath in JavaScript:
Swap "Exact Text"
with the text you're hunting. This function sleuths out a matching node in the entire document using XPath like a bloodhound on a mission.
A dive into the rabbit hole: Understanding XPath and textContent
Getting precise with XPath
JavaScript's XPath mode is a heat-seeking missile when it comes to finding elements with text outputs matching up perfectly. But as with all magic tricks, there is always a catch: textContent
sniffs out all text nodes, including those playing hide-and-seek, while innerText
is deceived by CSS invisibility cloaks. Favor the vigilant textContent
when hidden styled text is part of the game.
Treating Node collections like grand Hercules feasts
Whenever we're dealing with a horn of plenty— say paragraphs in an article— getElementsByTagName
and querySelectorAll
prove to be truer friends. They gift us collections ideal for iteration, so go grab a plate and start feasting:
"Remember jQuery? Pepperidge Farm remembers"
In the glorious days of jQuery, the mystical :contains()
selector made text searches superbly nifty:
Bear in mind that :contains()
has the sword of Gryffindor— it's loyal to the case. For best results, clever text encapsulation is required.
Case files: Navigating edge scenarios
Case 1: Text normalization "Sleek, says the sleek walker"
For exact text searches, remember to normalize space and line breaks to avoid missing potential leads due to formatting quirks. That's "sleek walking" per Moriarty.
Case 2: Passport for older browsers
Legacy browsers do pose a challenge, so consider an interpreter for their linguistic needs – transpilers like Babel may just save the day here since document.evaluate()
and the like might speak in strange tongues they don't understand.
Case 3: Your custom time-turner
Crafting your own custom function like getElementsByText
can change the game as it streamlines your searches with tags and classList criteria. You also get a time-turner of elements that can be paused once the chosen one is found:
Case 4: The grand feast finale: Spreading NodeLists
Modern JavaScript gives us the spell to transform a NodeList
into an array for easy handling. Here, we filter elements with the caveat of using the spread operator:
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