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Updating manuscript.

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Thomas Hintz
2020-07-26 12:02:10 -07:00
parent fc6837c47c
commit 294a783337
1 changed files with 2 additions and 4 deletions
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manuscript/fundamentals--building-our-own-react.markua
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@@ -307,9 +307,7 @@ function createDOMElement(element) {
To set the props on an element we first clear all the existing props and then loop through the current props, setting them accordingly. Of course we filter out the `children` prop since we use that elsewhere and it isn't intended to be set directly. To set the props on an element we first clear all the existing props and then loop through the current props, setting them accordingly. Of course we filter out the `children` prop since we use that elsewhere and it isn't intended to be set directly.
#+NAME Setting DOM Props {format: "javascript", id: "Setting DOM Props"}
{format: "javascript"}
``` ```
function setDOMProps(element, domElement, prevElement) { function setDOMProps(element, domElement, prevElement) {
if (prevElement) { if (prevElement) {
@@ -327,7 +325,7 @@ function setDOMProps(element, domElement, prevElement) {
} }
``` ```
> React is more intelligent about only updating or removing props that need to be. I> React is more intelligent about only updating or removing props that need to be.
W> This algorithm for setting props does not correctly handle events which must be treated specially. For this exercise that detail is not important though. W> This algorithm for setting props does not correctly handle events which must be treated specially. For this exercise that detail is not important though.