如何更改特定输入字段的占位符颜色？ [英] How to change placeholder color of specific input field?

问题描述

我想更改特定占位符的颜色。我正在为我的项目使用很多输入字段，问题是在某些部分我需要占位符的灰色，在某些部分我需要占位符的白色。我搜索了这个目的并找到了这个解决方案。

I want to change the color of specific place holder. I'm using many input fields for my project, problem is that in some section i need grey color for placeholder and in some section i need white color for placeholder. I have searched for this purpose and find this solution.

::-webkit-input-placeholder { /* WebKit, Blink, Edge */
    color:    #909;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color:    #909;
   opacity:  1;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
   color:    #909;
   opacity:  1;
}
:-ms-input-placeholder { /* Internet Explorer 10-11 */
   color:    #909;
}

但是这段代码是在所有输入占位符上实现的，我不需要所有输入占位符都是相同颜色的。所以任何人都可以帮助我。在此先感谢。

But this code is implement on all input placeholder, and i don't need all input placeholder in same color. So can anyone please help me. Thanks in advance.

推荐答案

您需要指定 -input-placeholder 到某些 classname 并将该类添加到任何输入你需要它的占位符才能拥有它，就像这样 JS Fiddle

You need to assign the -input-placeholder to some classname and add that class to any input you need its placeholder to have this, just like this JS Fiddle

.change::-webkit-input-placeholder {
    /* WebKit, Blink, Edge */
    color: #909;
}
.change:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #909;
    opacity: 1;
}
.change::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #909;
    opacity: 1;
}
.change:-ms-input-placeholder {
    /* Internet Explorer 10-11 */
    color: #909;
}
input[type="text"]{
    display:block;
    width:300px;
    padding:5px;
    margin-bottom:5px;
    font-size:1.5em;
}

<input type="text" placeholder="text1" class="change">
<input type="text" placeholder="text2">
<input type="text" placeholder="text3">
<input type="text" placeholder="text4"  class="change">
<input type="text" placeholder="text5">

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