How to change element attributes in JavaScript

How to change element attributes in JavaScript: 1. Use the "element object.attribute = new value" statement; 2. Use the "element object.setAttribute('attribute','attribute value')" statement.

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

JavaScript to change element attributes

1. Use the "element object.attribute = new value" statement

Example: Modified the value of the src attribute of theelement:

Method 2: Use the setAttribute() function

Element object.setAttribute('attribute','attribute value');

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