<section>
<div class="container">
<h1>CSS is Awesome</h1>
<h1>CSS is Awesome with fit-content()</h1>
<h1>CSS is Awesome</h1>
</div>
<form action="">
<input type="range" min="0" max="100" value="100" />
</form>
</section>
<form action="">
<span>grid-template-columns:</span>
<label for="case1">
<input type="radio" name="grid-template-columns" value="1fr 1fr 1fr" id="case1" checked />
1fr 1fr 1fr
</label>
<label for="case2">
<input type="radio" name="grid-template-columns" value="1fr fit-content 1fr" id="case2" />
1fr fit-content 1fr
</label>
<label for="case3">
<input type="radio" name="grid-template-columns" value="1fr fit-content(200px) 1fr" id="case3" />
1fr fit-content(200px) 1fr
</label>
<label for="case4">
<input type="radio" name="grid-template-columns" value="1fr fit-content(20vw) 1fr" id="case4" />
1fr fit-content(20vw) 1fr
</label>
<label for="case5">
<input type="radio" name="grid-template-columns" value="1fr 1fr fit-content(50%) 1fr" id="case5" />
1fr fit-content(50%) 1fr
</label>
<label for="case6">
<input type="radio" name="grid-template-columns" value="1fr 1fr fit-content(2fr) 1fr" id="case6" />
1fr fit-content(2fr) 1fr
</label>
<label for="case7">
<input type="radio" name="grid-template-columns" value="1fr 1fr fit-content() 1fr" id="case7" />
1fr fit-content() 1fr
</label>
</form>
<div id="output">
<label>网格轨道计算值:</label>
<span></span> | <span></span> | <span></span>
</div>
@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
width: 100vw;
min-height: 100vh;
display: flex;
justify-content: center;
flex-direction: column;
gap: 20px;
font-family: "Exo", Arial, sans-serif;
background-color: #f7f7f7;
padding: 20px;
}
section {
min-width: 60vw;
margin: 0 auto;
display: flex;
justify-content: center;
/* align-items: center; */
flex-direction: column;
gap: 10px;
box-shadow: 0 0 0 6px rgb(0 0 0 / 13%);
border-radius: 6px;
}
.container {
border: 1px dashed #f36;
border-radius: 1px;
}
h1 {
background-color: #f7f7f7;
place-self: center stretch;
color: #444;
padding: 5px 0;
position: relative;
}
h1:nth-child(1) {
background-color: #f1c2c6;
}
h1:nth-child(2) {
background-color: #dac2f1;
}
h1:nth-child(3) {
background-color: #ccf1c2;
}
h1:nth-child(4) {
background-color: #00bcd4;
}
form {
width: 100%;
}
input[type="range"] {
width: 100%;
}
.container {
--width: 100%;
--grid-template-columns: 1fr 1fr 1fr;
padding: 20px;
width: var(--width);
gap: 10px;
display: grid;
grid-template-columns: var(--grid-template-columns);
}
section + form {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(20ch, 1fr));
gap: 15px;
max-width: 80vw;
margin: 0 auto;
}
form > span {
grid-row: span 4;
place-self: center;
}
form > label {
display: inline-flex;
align-items: center;
gap: 5px;
}
#output {
text-align: center;
}
const range = document.querySelector('input[type="range"]');
const container = document.querySelector(".container");
const radios = document.querySelectorAll('input[type="radio"]');
const outputVals = document.querySelectorAll("#output > span");
const gridItems = document.querySelectorAll(".container > h1");
range.addEventListener("input", (etv) => {
container.style.setProperty("--width", `${etv.target.value}%`);
});
console.log(outputVals[0]);
outputVals.forEach((output, index) => {
output.textContent = getComputedStyle(gridItems[index]).width;
});
radios.forEach((radio, index) => {
radio.addEventListener("click", (etv) => {
container.style.setProperty("--grid-template-columns", etv.target.value);
outputVals.forEach((output, index) => {
output.textContent = getComputedStyle(gridItems[index]).width;
});
});
});
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