[英]How to update clicked element?
I am making a drawing board and I wish to get the color I click on.我正在制作一个绘图板,我希望得到我点击的颜色。 The problem: I only get the color I click on first.
问题:我只得到我首先点击的颜色。 My idea: get the value by id and give it the appropriate color.
我的想法:通过 id 获取值并给它适当的颜色。 Here is my code:
这是我的代码:
<script>
var colorNames = ["fuchsia","maroon", "red", "olive", "yellow", "green","lime", "teal", "aqua", "navy", "blue", "purple","black", "gray", "silver","white"];
for (var i = 0; i < 16; i++) {
document.write(`<div id="color${i}" class="color" style="background-color:${colorNames[i]}" onclick="draw(this)"></div>`);
}
console.log(colorNames)
function draw(colorBox){
var ChosenColorBox = colorBox.id;
console.log(ChosenColorBox)
var canvas = new fabric.Canvas("canvas");
canvas.isDrawingMode = true;
canvas.freeDrawingBrush.width = 5;
if(ChosenColorBox=="color0"){
canvas.freeDrawingBrush.color = "fuchsia";
}
else if (ChosenColorBox=="color1")
{
canvas.freeDrawingBrush.color = "maroon";
}
}
</script>
You can get the color from element itself您可以从元素本身获取颜色
Example:例子:
<script> var colorNames = ["fuchsia","maroon", "red", "olive", "yellow", "green","lime", "teal", "aqua", "navy", "blue", "purple","black", "gray", "silver","white"]; for (var i = 0; i < 16; i++) { document.write(`<div id="color${i}" class="color" style="background-color:${colorNames[i]}" onclick="draw(this)"></div>`); } console.log(colorNames) function draw(colorBox){ var ChosenColorBox = colorBox.id; console.log(ChosenColorBox) var canvas = new fabric.Canvas("canvas"); canvas.isDrawingMode = true; canvas.freeDrawingBrush.width = 5; canvas.freeDrawingBrush.color = colorBox.style['background-color'] } </script>
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