[英]Use Slider to Change Image CSS Filter with Javascript
我正在嘗試通過使用滑塊輸入來更改png上的css過濾器(准確地說是色調旋轉)。 我不斷收到“ -webkit-filter:hue-rotate( undefined deg)”
謝謝你的幫助!
這是我的代碼:
function hueFunction(hueVal) { var setAs = hueVal + "deg" document.getElementById("lgImage").setAttribute("style", "-webkit-filter:hue-rotate(" + setAs + ")") }
<input type="range" data-default="0" value="0" min="0" max="360" step="1" id="hue-rotate" oninput="hueFunction(this.hueVal)"> <br/> <img src="https://campstoregear.com/wp-content/uploads/2017/09/summer-camp-2018-apparel-design-CD1816-Primary.png" id="lgImage">
將oninput="hueFunction(this.hueVal)"
更改為oninput="hueFunction(this.value)"
function hueFunction(hueVal) { var setAs = hueVal + "deg" document.getElementById("lgImage").setAttribute("style", "-webkit-filter:hue-rotate(" + setAs + ")") }
<input type="range" data-default="0" value="0" min="0" max="360" step="1" id="hue-rotate" oninput="hueFunction(this.value)"> <br/> <img src="https://campstoregear.com/wp-content/uploads/2017/09/summer-camp-2018-apparel-design-CD1816-Primary.png" id="lgImage">
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