strings

This block provides helpers for manipulating string data.

Overview

Elements of the block

Properties and methods of the block elements

Public block technologies

The block is implemented in:

• vanilla.js

Description

Elements of the block

escape element

This element provides an object with a set of methods for escaping XML and HTML control characters.

Properties and methods of the object

xml method

Use for escaping XML control characters. Processes the symbols &, <, >.

Accepted arguments:

• str {String} – String to process. Required argument.

Return value: String. The string with escaped control characters.

html method

Use for escaping HTML control characters. It is a synonym of the xml method.

attr method

Use for escaping control characters in HTML and XML attributes. Processes the control characters ", \, ', &, <, >.

Accepted arguments:

• str {String} – String to process. Required argument.

Return value: String. The string with escaped control characters.

For example, in the common.blocks/select block in the bem-components library, strings__escape is used for escaping control characters in the value property of an HTML element:

_createControlHTML : function(name, val) {
    // Using string concatenation to not depend on template engines
    return '<input ' +
        'type="hidden" ' +
        'name="' + name + '" ' +
        'class="' + this.buildClass('control') + '" ' +
        'value="' + escape.attr(typeof val === 'object'? JSON.stringify(val) : val) + '"/>';
}