How to set gradient color in javascript

In JavaScript, you can use the style object attribute to set the gradient color. The syntax format is "element object.style.backgroundImage='linear-gradient(angle, color, color)'"; the Style object represents a separate Style declaration.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

In fact, the implementation of gradient is ultimately controlled by css (style)

All codes are written directly in JS:

var test = document.getelementById(''test); test .style.backgroundImage='linear-gradient(120deg, #155799, #159957)';

PS: The 'i' of the backgroundImage here must be It should be capitalized, and it must be written like this. It cannot be written the same as the background-image in CSS, which will not be recognized by JS.

Extended information:

After writing it in css, add a class to the element through js to add a new style:

Defined in the style sheet Style

css：

.jianbian{ background-image: linear-gradient(120deg, #155799, #159957); }

Then add class to the element through js

js:

var test = document.getelementById(''test); test.className = 'jianbian' ;

That’s it, but you still need to consider the differences Browser compatibility, how to write gradients.

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[Recommended learning:javascript advanced tutorial]

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