Getting JavaScript to Talk to CSS and Sass|CSS-Tricks

Getting JavaScript to Talk to CSS and Sass|CSS-Tricks

JavaScript and CSS have actually lived beside one another for upwards of 20 years. And yet it’s been extremely tough to share information in between them. There have been big efforts, sure. However, I have something simple and instinctive in mind– something not including a structural change, however rather putting CSS custom residential or commercial properties and even Sass variables to utilize.

CSS custom-made properties and JavaScript

Customized homes shouldn’t be all that unexpected here. Something they have actually constantly been able to do considering that web browsers started supporting them is work along with JavaScript to set and control the values.

Particularly, however, we can utilize JavaScript with custom-made homes in a few ways. We can set the worth of a custom-made home utilizing setProperty:

We can also recover CSS variables using in JavaScript. The reasoning behind this is fairly basic: custom-made residential or commercial properties belong to the design, therefore, they belong to computed style.

Very same sort of deal with getPropertyValue. That let us get the custom-made residential or commercial property value from an inlined style from HTML markup.

Keep in mind that customized residential or commercial properties are scoped. This implies we need to get computed styles from a particular aspect. As we formerly specified our variable in : root we get them on the HTML component.

Sass variables and JavaScript

Sass is a pre-processing language, suggesting it’s developed into CSS before it ever is a part of a site. For that reason, accessing them from JavaScript in the same method as CSS custom-made residential or commercial properties– which are available in the DOM as computed styles– is not possible.

We need to customize our build procedure to alter this. I doubt there isn’t a big requirement for this in many cases since loaders are often currently part of a construct process. But if that’s not the case in your project, we need three modules that are capable of importing and equating Sass modules.

Here’s how that looks in a webpack configuration:

To make Sass (or, particularly, SCSS in this case) variables available to JavaScript, we require to “export” them.

The : export block is the magic sauce webpack utilizes to import the variables. What is great about this approach is that we can relabel the variables using camelCase syntax and select what we expose.

We import the Sass file (variables.scss) file into JavaScript, providing us access to the variables specified in the file.

There are some constraints on the : export syntax that deserve calling out:

There are lots of ways having access to Sass variables in JavaScript can be available in helpful. I tend to grab this method for sharing breakpoints. Here is my breakpoints.scs file, which I later import in JavaScript so I can use the matchMedia() technique to have consistent breakpoints.

Animations are another usage case. The period of an animation is typically saved in CSS, however more intricate animations require to be finished with JavaScript’s assistance.

Notification that I utilize a custom-made function when exporting the variable. This allows me to quickly parse things on the JavaScript side.

It makes me pleased that I can exchange information in between CSS, Sass and JavaScript so quickly. Sharing variables like this makes code easy and DRY.

There are several ways to attain the exact same sort of thing, obviously. Les James shared a fascinating method in 2017 that allows Sass and JavaScript to connect by means of JSON. I might be biased, however I find the approach we covered here to be the most basic and most instinctive. It does not need crazy modifications to the method you currently use and write CSS and JavaScript.

Are there other approaches that you might be using someplace? Share them here in the remarks– I ‘d enjoy to see how you’re solving it.

This content was originally published here.

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Trump’s 2020 attack strategy: Smear Biden over mental fitness
By Eric Bradner, Ryan Nobles and Dan Merica, CNN

President Donald Trump and his allies have zeroed-in on an attack against Joe Biden, going after the presumptive Democratic governmental nominee’s mental physical fitness in a coordinated effort using smears and innuendo to paint him as ill-quipped to be President of the United States.

Trump for months has questioned the mental skill of the opponent he calls “Drowsy Joe.” Trump last week described Biden as “a sleepy person in a basement of a home,” and he has actually repeatedly recommended that Biden did not personally write declarations issued by his project criticizing Trump’s handling of the coronavirus pandemic.

His project and the Republican National Committee have progressively focused its attacks on Biden’s tendency for on-camera verbal stumbles in recent weeks, as it looks for to define Biden after he emerged triumphant from the Democratic primary.

One example came previously this month, when Trump’s campaign launched an ad comparing Biden and Vermont Sen. Bernie Sanders, which closed with the line: “At least Bernie remembers his positions.”

https://twitter.com/parscale/status/1247928262036258816

The attacks are an early demonstration of how Trump will utilize the full Republican politician Celebration apparatus to run a scorched-earth campaign based upon personal insults and unwarranted insinuations– a heightened variation of his playbook from 2016, when Trump and his allies, without proof, called into question Hillary Clinton’s health. They have actually become a daily occurrence from Trump’s campaign, assistants and Republican allies throughout every medium possible– on social media, in campaign e-mail blasts and videos and on Trump-aligned media companies like Fox News.

Biden’s advisers and Democratic allies mention that Trump is guilty of many of the same verbal tics he is attacking Biden over, and often lies and embraces conspiracy theories.

As one Biden ally put it: “Has Trump taken his own guidance and downed a gallon of bleach yet?”

The attacks weaponize Biden’s propensity to stumble over words, utilize the wrong word or interrupt himself in the middle of long answers by stating, “anyhow,” and altering course. To fans of a former vice president who in December 2018 called himself a “gaffe maker,” those long-time spoken tics have always belonged to Biden’s public persona. They are made more forgivable to his advocates by Biden’s openness about conquering a stutter.

Aside from periodic jousts amongst assistants on Twitter, Biden’s project has mostly neglected the Trump project’s attacks.

Biden-world’s view is that the political and media landscape has actually shifted because 2016, when every Trump attack on a rival was treated as novel and took command of the project narrative on social media and cable news.

His consultants pointed to Trump’s stopped working efforts to guide the political discussion in the 2017 Virginia governor’s race, when he and his GOP allies cautioned of the MS-13 gang, in addition to the 2018 midterms, when Trump’s message concentrated on caravans of refugees approaching the US-Mexico border.

” The misapprehension that whatever Trump wishes to speak about is inherently efficient and that he gets to act as the media’s at-large task editor has actually been closed,” a Biden consultant said.

As Biden has adapted to marketing in the age of coronavirus– knocked off the campaign path and rather transmitting occasions and interviews from a transformed rec room in his basement in Delaware– Trump’s project is seizing on every on-camera miscue, with conservative Trump allies such as Fox News host Sean Hannity then magnifying them.

” His sharpness, or absence thereof is on screen every day, every time he talks,” Trump project spokesperson Tim Murtaugh informed CNN in response to concerns about the technique. “His failure to keep a train of thought going is obvious.”

Biden frequently looks down at his notes, which Trump’s allies have actually mischaracterized as Biden dropping off to sleep. Trump’s boy Eric Trump tweeted a seven-second video from Biden’s online broadcast with Hillary Clinton on Tuesday, along with the hashtag “#SleepyJoe.”.

https://twitter.com/EricTrump/status/1255213748811374596.

Robby Mook, Hillary Clinton’s 2016 campaign supervisor, said Trump “always projects his biggest weakens on his challenger in an attempt to deflect criticism from himself.”.

” What is very clear is the White Home thinks his presidency will be evaluated on how properly he is managing coronavirus, so it makes ideal sense that he is now attempting to accuse his challenger of incompetence, which is ridiculous.”.

The attacks resemble how Trump’s campaign pursued Clinton in 2016, Mook noted. Trump and his campaign frequently cast the former secretary of state as sick or unhealthy, a technique that was further elevated after Clinton stumbled after a September 11 occasion in New York due to concealed pneumonia.

” I simply see a pattern regularly from 2016 all the way through now, which is, he attempts to predict his most significant issues onto his opponents so he gives the media a false equivalence to attempt to muddy the water,” Mook stated. “Part of the factor he was so obsessed with calling Hillary Clinton dishonest is because he is probably the most deceitful individual to win the White Home.”.

Biden advisers argue that Trump’s efforts to caricature Biden won’t overcome the same qualities that insulated him in the Democratic primary: After 5 decades in the public eye and eight years as President Barack Obama’s No. 2, voters feel like they know him.

Biden frequently expresses distaste for attacks on his rivals’ character. His aides say that by questioning Biden’s mental capability, the President is guiding the project toward concerns of character and fitness.

” This is asinine to tee up– since it’s 10,000 times even worse for him,” a Biden adviser stated.

As an example of how easily Trump could be parodied, Biden’s assistants indicated a video from The Daily Show in which Fox News hosts and analysts’ comments about Biden’s mental skill were interspersed with videos of Trump’s own verbal flubs.

Biden spokesman Andrew Bates tweeted The Daily Program’s video, which has been seen 3.6 million times on Twitter, on March 25, in action to Trump spokesperson Matt Wolking tweeting: “When is the last time Joe Biden was lucid?”.

https://twitter.com/AndrewBatesNC/status/1242886701002960896.

” Triggering voters to assess prospects’ mental states is a devastating proposal for Donald Trump, so we’re never going to prevent him from going there,” Bates said.
– CNNPolitics.

Trump’s 2020 attack strategy: Smear Biden over mental fitness By Eric Bradner, Ryan Nobles and Dan Merica, CNN President Donald Trump and his allies have zeroed-in on an attack against Joe Biden, going after the presumptive Democratic governmental nominee’s mental physical fitness in a coordinated effort using smears and innuendo to paint him as ill-quipped to be President of the United States. Trump for months has questioned the mental skill of the opponent he calls “Drowsy Joe.” Trump last week described Biden as “a sleepy person in a basement of a home,” and he has actually repeatedly recommended that Biden did not personally write declarations issued by his project criticizing Trump’s handling of the coronavirus pandemic. His project and the Republican National Committee have progressively focused its attacks on Biden’s tendency for on-camera verbal stumbles in recent weeks, as it looks for to define Biden after he emerged triumphant from the Democratic primary. One example came previously this month, when Trump’s campaign launched an ad comparing Biden and Vermont Sen. Bernie Sanders, which closed with the line: “At least Bernie remembers his positions.” https://twitter.com/parscale/status/1247928262036258816 The attacks are an early demonstration of how Trump will utilize the full Republican politician Celebration apparatus to run a scorched-earth campaign based upon personal insults and unwarranted insinuations– a heightened variation of his playbook from 2016, when Trump and his allies, without proof, called into question Hillary Clinton’s health. They have actually become a daily occurrence from Trump’s campaign, assistants and Republican allies throughout every medium possible– on social media, in campaign e-mail blasts and videos and on Trump-aligned media companies like Fox News. Biden’s advisers and Democratic allies mention that Trump is guilty of many of the same verbal tics he is attacking Biden over, and often lies and embraces conspiracy theories. As one Biden ally put it: “Has Trump taken his own guidance and downed a gallon of bleach yet?” The attacks weaponize Biden’s propensity to stumble over words, utilize the wrong word or interrupt himself in the middle of long answers by stating, “anyhow,” and altering course. To fans of a former vice president who in December 2018 called himself a “gaffe maker,” those long-time spoken tics have always belonged to Biden’s public persona. They are made more forgivable to his advocates by Biden’s openness about conquering a stutter. Aside from periodic jousts amongst assistants on Twitter, Biden’s project has mostly neglected the Trump project’s attacks. Biden-world’s view is that the political and media landscape has actually shifted because 2016, when every Trump attack on a rival was treated as novel and took command of the project narrative on social media and cable news. His consultants pointed to Trump’s stopped working efforts to guide the political discussion in the 2017 Virginia governor’s race, when he and his GOP allies cautioned of the MS-13 gang, in addition to the 2018 midterms, when Trump’s message concentrated on caravans of refugees approaching the US-Mexico border. ” The misapprehension that whatever Trump wishes to speak about is inherently efficient and that he gets to act as the media’s at-large task editor has actually been closed,” a Biden consultant said. As Biden has adapted to marketing in the age of coronavirus– knocked off the campaign path and rather transmitting occasions and interviews from a transformed rec room in his basement in Delaware– Trump’s project is seizing on every on-camera miscue, with conservative Trump allies such as Fox News host Sean Hannity then magnifying them. ” His sharpness, or absence thereof is on screen every day, every time he talks,” Trump project spokesperson Tim Murtaugh informed CNN in response to concerns about the technique. “His failure to keep a train of thought going is obvious.” Biden frequently looks down at his notes, which Trump’s allies have actually mischaracterized as Biden dropping off to sleep. Trump’s boy Eric Trump tweeted a seven-second video from Biden’s online broadcast with Hillary Clinton on Tuesday, along with the hashtag “#SleepyJoe.”. https://twitter.com/EricTrump/status/1255213748811374596. Robby Mook, Hillary Clinton’s 2016 campaign supervisor, said Trump “always projects his biggest weakens on his challenger in an attempt to deflect criticism from himself.”. ” What is very clear is the White Home thinks his presidency will be evaluated on how properly he is managing coronavirus, so it makes ideal sense that he is now attempting to accuse his challenger of incompetence, which is ridiculous.”. The attacks resemble how Trump’s campaign pursued Clinton in 2016, Mook noted. Trump and his campaign frequently cast the former secretary of state as sick or unhealthy, a technique that was further elevated after Clinton stumbled after a September 11 occasion in New York due to concealed pneumonia. ” I simply see a pattern regularly from 2016 all the way through now, which is, he attempts to predict his most significant issues onto his opponents so he gives the media a false equivalence to attempt to muddy the water,” Mook stated. “Part of the factor he was so obsessed with calling Hillary Clinton dishonest is because he is probably the most deceitful individual to win the White Home.”. Biden advisers argue that Trump’s efforts to caricature Biden won’t overcome the same qualities that insulated him in the Democratic primary: After 5 decades in the public eye and eight years as President Barack Obama’s No. 2, voters feel like they know him. Biden frequently expresses distaste for attacks on his rivals’ character. His aides say that by questioning Biden’s mental capability, the President is guiding the project toward concerns of character and fitness. ” This is asinine to tee up– since it’s 10,000 times even worse for him,” a Biden adviser stated. As an example of how easily Trump could be parodied, Biden’s assistants indicated a video from The Daily Show in which Fox News hosts and analysts’ comments about Biden’s mental skill were interspersed with videos of Trump’s own verbal flubs. Biden spokesman Andrew Bates tweeted The Daily Program’s video, which has been seen 3.6 million times on Twitter, on March 25, in action to Trump spokesperson Matt Wolking tweeting: “When is the last time Joe Biden was lucid?”. https://twitter.com/AndrewBatesNC/status/1242886701002960896. ” Triggering voters to assess prospects’ mental states is a devastating proposal for Donald Trump, so we’re never going to prevent him from going there,” Bates said. – CNNPolitics.

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